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The Study of Plant Life
The Study of Plant Life

Chapter IX

Chapter 9 of The Study of Plant Life is here in full — 54 sentences across 11 reading sections, with audio for every sentence and word.

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FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.
Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.
Yet the plant should have grown to some considerable size.
Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.
Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.
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LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

The Study of Plant Life

Chapter IX

Chapter 9 of The Study of Plant Life is here in full — 54 sentences across 11 reading sections, with audio for every sentence and word.

Reading 1/10 · 5 reading units · Lines 1–5

Line 1
FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.
Line 2
Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.
/jet ˌɔːlˈðoʊ ðiːz sɔːlts ɑːr soʊ ˈnesəseri ðeɪ duː nɑːt juːs ə lɑːrdʒ ˈkwɑːntəti ʌv ðem æz juː meɪ pruːv baɪ ˈteɪkɪŋ ðə səˈluːʃən siː wɪtʃ ɪz left ˈæftər ðə plænt hæz ɡroʊn ɪn ɪt ənd ˈsloʊli ˈdraɪɪŋ ɔːf ɔːl ðə ˈwɔːtər ˈteɪkɪŋ ker nɑːt tuː dɪˈstrɔɪ ə pɑːrt ʌv ðə sɔːlt ˈkrɪstəlz baɪ ˈdʒentəl hiːt ənd ðen ˈweɪɪŋ ðɪs draɪ sɔːlt ənd kəmˈperɪŋ ɪts weɪt wɪð ðæt ʌv ðə sɔːlts juː pʊt ˈɪntuː siː juː wɪl faɪnd ðæt ðə ˈɡroʊɪŋ plænt hæz ˈoʊnli riˈmuːvd ə smɔːl ˈkwɑːntəti ʌv ðə sɔːlts/
Line 3
Yet the plant should have grown to some considerable size.
/jet ðə plænt ʃʊd hæv ɡroʊn tuː sʌm kənˈsɪdərəbəl saɪz/
Line 4
Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.
/ʌv kɔːrs ðə ˈwɔːtər ˌɪtˈself ɡoʊz ˈɪntuː ðə plænt ˈtɪsjuːz bʌt juː kæn draɪv ðɪs ɔːf baɪ ˈdʒentəl hiːt/
Line 5
Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.
/bɪˈfɔːr ˈdraɪɪŋ ɪt ˌhaʊˈevər kʌt ɔːf ə pɑːrt ʌv ðə plænt wɪtʃ ɪz ˈiːkwəl ɪn weɪt tuː ðə weɪt ʌv ðə jʌŋ plænt juː pʊt ˈɪntuː ðə fuːd səˈluːʃən æt fɜːrst siː piː/

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

comparing noun US /kəmˈperɪŋ/

the act of examining resemblances

From this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

crystals noun US /ˈkrɪstəlz/

plural of “crystal” — a solid formed by the solidification of a chemical and having a highly regular atomic structure

From this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

dissolved adjective US /dɪˈzɑːlvd/

(of solid matter) reduced to a liquid form

From this reading “FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.”

drying verb US /ˈdraɪɪŋ/

-ing form of “dry” — remove the moisture from and make dry

From this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

mineral noun US /ˈmɪnərəl/

solid homogeneous inorganic substances occurring in nature having a definite chemical composition

From this reading “FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.”

salts noun US /sɔːlts/

plural of “salt” — a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

From this reading “FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.”

solutions noun US /səˈluːʃənz/

plural of “solution” — a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading “FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.”

tissues noun US /ˈtɪsjuːz/

plural of “tissue” — part of an organism consisting of an aggregate of cells having a similar structure and function

From this reading “Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.”

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

large quantity adjective + noun

In this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

considerable size adjective + noun

In this reading “Yet the plant should have grown to some considerable size.”

small quantity adjective + noun

In this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

cut off verb + particle

make a break in

In this reading “Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.”

taking care noun + noun

In this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

Of course preposition + noun

as might be expected

In this reading “Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.”

goes into verb + particle counted as “go into”

to come or go into

In this reading “Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.”

put into verb + particle

In this reading “Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.”

All words in this reading · 104

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

2

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

absolutelyadverbUS /ˌæbsəˈluːtli/

completely and without qualification; used informally as intensifiers

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

afterprepositionUS /ˈæftər/

later than; following

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

AIRnounUS /er/

a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

alladjectiveUS /ɔːl/

(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

althoughconjunctionUS /ˌɔːlˈðoʊ/

in spite of the fact that

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

areauxiliary verbUS /ɑːr/

the form of “be” used with you, we, they, or a plural noun

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

atprepositionUS /æt/

in or near a particular place or position

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

BeforeprepositionUS /bɪˈfɔːr/

earlier than; in front of

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

butconjunctionUS /bʌt/

used to introduce something that contrasts with what came before

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

byprepositionUS /baɪ/

showing who or what does the action

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

CnounUS /siː/

a degree on the centigrade scale of temperature

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

canmodal verbUS /kæn/

to be able to, or to be allowed to

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

carenounUS /ker/

the work of providing treatment for or attending to someone or something

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

comparingnounUS /kəmˈperɪŋ/

the act of examining resemblances

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

considerableadjectiveUS /kənˈsɪdərəbəl/

large or relatively large in number or amount or extent or degree

From this reading Yet the plant should have grown to some considerable size.

coursenounUS /kɔːrs/

education imparted in a series of lessons or meetings

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

crystalsnounUS /ˈkrɪstəlz/

plural of “crystal” — a solid formed by the solidification of a chemical and having a highly regular atomic structure

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

cutverbUS /kʌt/

separate with or as if with an instrument

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

destroyverbUS /dɪˈstrɔɪ/

do away with, cause the destruction or undoing of

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

dissolvedadjectiveUS /dɪˈzɑːlvd/

(of solid matter) reduced to a liquid form

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

doauxiliary verbUS /duː/

used to form questions and negatives, and to give emphasis

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

doneadjectiveUS /dʌn/

having finished or arrived at completion

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

driveverbUS /draɪv/

operate or control a vehicle

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

dryadjectiveUS /draɪ/

free from liquid or moisture; lacking natural or normal moisture or depleted of water; or no longer wet

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

dryingverbUS /ˈdraɪɪŋ/

-ing form of “dry” — remove the moisture from and make dry

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

equalverbUS /ˈiːkwəl/

be identical or equivalent to

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

experimentsnounUS /ɪkˈsperəmənts/

plural of “experiment” — the act of conducting a controlled test or investigation

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

findverbUS /faɪnd/

come upon, as if by accident; meet with

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

firstadjectiveUS /fɜːrst/

preceding all others in time or space or degree

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

FOODnounUS /fuːd/

any substance that can be metabolized by an animal to give energy and build tissue

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

gentleadjectiveUS /ˈdʒentəl/

soft and mild; not harsh or stern or severe

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

goesnounUS /ɡoʊz/

plural of “go” — a time period for working (after which you will be relieved by someone else)

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

growingnounUS /ˈɡroʊɪŋ/

(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

grownadjectiveUS /ɡroʊn/

(of animals) fully developed

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

hasauxiliary verbUS /hæz/

the form of “have” used with he, she, it, or a singular noun

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

haveauxiliary verbUS /hæv/

used with a past participle to form the perfect tenses

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

heatnounUS /hiːt/

a form of energy that is transferred by a difference in temperature

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

howeveradverbUS /ˌhaʊˈevər/

used to add a contrasting statement

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

INprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

intoprepositionUS /ˈɪntuː/

moving to the inside of something

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

isauxiliary verbUS /ɪz/

the form of “be” used with he, she, it, or a singular noun

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

itsdeterminerUS /ɪts/

belonging to the thing or animal already mentioned

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

itselfpronounUS /ˌɪtˈself/

used when the thing doing the action is also its object

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

justadverbUS /dʒʌst/

and nothing more

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

largeadjectiveUS /lɑːrdʒ/

above average in size or number or quantity or magnitude or extent

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

leftnounUS /left/

location near or direction toward the left side; i.e. the side to the north when a person or object faces east

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

MATERIALSnounUS /məˈtɪriəlz/

plural of “material” — the tangible substance that goes into the makeup of a physical object

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

maymodal verbUS /meɪ/

used to say something is possible, or to give permission

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

mineralnounUS /ˈmɪnərəl/

solid homogeneous inorganic substances occurring in nature having a definite chemical composition

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

necessaryadjectiveUS /ˈnesəseri/

absolutely essential

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

notadverbUS /nɑːt/

used to make a word, phrase, or sentence negative

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

OFprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

offadverbUS /ɔːf/

from a particular thing or place or position (“forth” is obsolete)

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

OLDERadjectiveUS /ˈoʊldər/

advanced in years; (“aged” is pronounced as two syllables)

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

onlyadverbUS /ˈoʊnli/

and nothing more

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

orconjunctionUS /ɔːr/

used to join alternatives or possibilities

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

pnounUS /piː/

a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

partnounUS /pɑːrt/

something determined in relation to something that includes it

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

PLANTverbUS /plænt/

put or set (seeds, seedlings, or plants) into the ground

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

plantsnounUS /plænts/

plural of “plant” — buildings for carrying on industrial labor

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

proveverbUS /pruːv/

be shown or be found to be

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

putverbUS /pʊt/

put into a certain place or abstract location

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

quantitynounUS /ˈkwɑːntəti/

how much there is or how many there are of something that you can quantify

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

removedadjectiveUS /riˈmuːvd/

separated in relationship by a given degree of descent

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

requireverbUS /ˌriːˈkwaɪər/

require as useful, just, or proper

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

saltnounUS /sɔːlt/

a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

saltsnounUS /sɔːlts/

plural of “salt” — a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

seeverbUS /siː/

perceive by sight or have the power to perceive by sight

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

shouldmodal verbUS /ʃʊd/

used to say what is right, expected, or advisable

From this reading Yet the plant should have grown to some considerable size.

showverbUS /ʃoʊ/

give an exhibition of to an interested audience

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

sizenounUS /saɪz/

the physical magnitude of something (how big it is)

From this reading Yet the plant should have grown to some considerable size.

slowlyadverbUS /ˈsloʊli/

without speed (“slow” is sometimes used informally for “slowly”)

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

smalladjectiveUS /smɔːl/

limited or below average in number or quantity or magnitude or extent

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

soconjunctionUS /soʊ/

for that reason; with the result that

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

soilnounUS /sɔɪl/

the state of being covered with unclean things

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

solutionnounUS /səˈluːʃən/

a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

solutionsnounUS /səˈluːʃənz/

plural of “solution” — a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

someadjectiveUS /sʌm/

(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity

From this reading Yet the plant should have grown to some considerable size.

takingnounUS /ˈteɪkɪŋ/

the act of someone who picks up or takes something

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

THEdeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

theirdeterminerUS /ðer/

belonging to the people or things already mentioned

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

thempronounUS /ðem/

the people or things already mentioned, as the object

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

thenadverbUS /ðen/

subsequently or soon afterward (often used as sentence connectors)

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

thesedeterminerUS /ðiːz/

the plural of “this”: the people or things near, or just mentioned

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

theypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

thisdeterminerUS /ðɪs/

used for a person or thing that is near, or that has just been mentioned

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

tissuesnounUS /ˈtɪsjuːz/

plural of “tissue” — part of an organism consisting of an aggregate of cells having a similar structure and function

From this reading Of course, the water itself goes into the plant tissues, but you can drive this off by gentle heat.

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

usenounUS /juːs/

the act of using

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

waternounUS /ˈwɔːtər/

binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

weighingnounUS /ˈweɪɪŋ/

careful consideration

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

weightnounUS /weɪt/

the vertical force exerted by a mass as a result of gravity

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

whichpronounUS /wɪtʃ/

used to introduce a clause giving more about a thing just mentioned

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

willmodal verbUS /wɪl/

used to talk about the future, or about willingness

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

withprepositionUS /wɪð/

in the company of; together with

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

YetconjunctionUS /jet/

but in spite of that

From this reading Yet although these salts are so necessary, they do not use a large quantity of them, as you may prove by taking the solution C, which is left after the plant has grown in it, and slowly drying off all the water (taking care not to destroy a part of the salt crystals) by gentle heat, and then weighing this dry salt, and comparing its weight with that of the salts you put into C. You will find that the growing plant has only removed a small quantity of the salts.

youpronounUS /juː/

the person or people being spoken to

From this reading FOOD MATERIALS OF THE OLDER PLANT (2) IN THE AIR The experiments you have just done show that plants absolutely require the mineral salts dissolved in the water of the soil or of their food solutions.

youngadjectiveUS /jʌŋ/

(used of living things especially persons) in an early period of life or development or growth

From this reading Before drying it, however, cut off a part of the plant which is equal in weight to the weight of the young plant you put into the food solution at first (~see~ p.

Chapter 9 of The Study of Plant Life by Marie Carmichael Stopes holds 54 sentences, grouped into 11 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 9 of The Study of Plant Life contain?

Chapter 9 holds 54 sentences of The Study of Plant Life, unabridged, divided into 11 reading sections.

This page carries chapter 9 of The Study of Plant Life by Marie Carmichael Stopes exactly as it stands in the source edition, without abridgement. It runs to 54 sentences, grouped into 11 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 9 of The Study of Plant Life?

Work through the 11 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 11 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 9 be read aloud to me?

Yes — every sentence and every individual word in chapter 9 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading The Study of Plant Life

Common questions about reading The Study of Plant Life by Marie Carmichael Stopes on this page, its source edition and its audio.

Is this the complete text of The Study of Plant Life?

Yes. All 1900 sentences of Project Gutenberg eBook #59106 are kept, with a record of which sentences cover which part.

Which edition of The Study of Plant Life is used?

Project Gutenberg eBook #59106, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does The Study of Plant Life take to read?

About 158 minutes of reading across 380 sections of 5 sentences each, at an unhurried pace.

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How to work through The Study of Plant Life section by section, using the audio and the tap-to-define vocabulary.

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    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in The Study of Plant Life

Words and structures a reader meets early in The Study of Plant Life, each tappable for pronunciation and meaning.

Illustrated
A word that appears in the opening chapter of The Study of Plant Life; the reader can tap it to hear it and see its dictionary entry.
Stopes
A word that appears in the opening chapter of The Study of Plant Life; the reader can tap it to hear it and see its dictionary entry.
Enterprising
A word that appears in the opening chapter of The Study of Plant Life; the reader can tap it to hear it and see its dictionary entry.
Attempt
A word that appears in the opening chapter of The Study of Plant Life; the reader can tap it to hear it and see its dictionary entry.