2.9 Photosynthesis

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Across
  1. 4. the distance between peaks of a wave of light, which determines its colour.
  2. 6. (two words) range of wavelengths of light that a pigment is able to absorb.
  3. 8. the production of carbon compounds in cells using light energy.
  4. 9. cell organelle that is the site of photosynthesis.
  5. 10. a method of separating and identifying the components of a complex mixture by differential movement through a two-phase system.
  6. 11. (two words) an environmental factor, such as carbon dioxide or light intensity, that controls the process of photosynthesis.
Down
  1. 1. (three words) chemical decomposition of water induced by light.
  2. 2. main photosynthetic pigment of green plants.
  3. 3. (three words) the rate of conversion of carbon dioxide and water to photosynthetic products.
  4. 5. one billionth (10-9) of a metre.
  5. 7. (two words) range of wavelengths of light within which photosynthesis takes place.