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11 Cards in this Set
- Front
- Back
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what occurs in the process of photosynthesis?
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plants use solar energy to convert water and carbon dioxide into carbohydrate (sugar and starches) and oxygen, a waste product
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what did Jan van Helmont conclude from his experiment?
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most gain of plants' mass is from water
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the substance produced by the mint plant in joseph priestley's experiment
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oxygen
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what did jan ingenhousz show?
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light is also necessary for plants to produce oxygen
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the equation for photosynthesis using words:
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carbon dioxide + water --(chlorophyll)--> sugars + oxygen
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equation for photosynthesis using formulas:
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6CO2 + 6H2O --(chlorophyll)--> C6H12O6 + 6O2
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photosynthesis uses the energy of sunlight to convert ____ and ____ into ____ and high-energy ____
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water, carbon dioxide, oxygen, carbohydrates
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what does photosynthesis require in addition to water and carbon dioxide?
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light
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plants gather the sun's energy with light-absorbing molecules called ____
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pigments
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what is the principal pigment of plants?
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chlorophyll
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the regions of the visible spectrum in which chlorophyll absorbs light very well
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blue-violet and red
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