Across
- 2. The production of high energy carbon compounds in cells using light energy. (14)
- 3. A graph that profiles the relative effectiveness of different wavelengths of radiation in photosynthesis (6, 8)
- 4. _________ acid: A very weak acid formed in solution when carbon dioxide dissolves in water - allows photosynthesis to be measured by a change in pH (8)
- 8. The distance between peaks of a wave of light, which determines its colour (10)
- 12. ___________ factor: An environmental factor, such as carbon dioxide or light intensity, that controls the process of photosynthesis. (8)
- 15. Main photosynthetic pigment of green plants (11, 1)
- 17. Method to measure CO2 in a gas sample due to absorption of IR radiation by CO2 (8, 3, 8)
Down
- 1. A graph plotting a pigment's light absorption versus wavelength (10, 8)
- 5. One billionth (10-9) of a metre. (9)
- 6. Waste product of photosynthesis (6)
- 7. Chemical decomposition of water induced by light. (10)
- 9. ____________ Pigments: Pigments that indirectly enhance photosynthesis by absorbing specific wavelengths of light and transferring this energy to chlorophyll molecules that are directly involved (9)
- 10. Main product of photosynthesis (7)
- 11. A graph which shows relationship between net photosynthesis with variation in PAR intensity (5, 8, 5)
- 13. A method of separating and identifying the components of a complex mixture by differential movement through a two-phase system. (14)
- 14. Cell organelle that is the site of photosynthesis. (11)
- 16. Wavelengths of light that photosynthetic organisms use as a source of energy 400 - 700 nm (3)