Photosynthesis Investigations

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Across
  1. 3. This is the colour hydrogencarbonate indicator goes when added to a solution with a low CO2 concentration.
  2. 5. This is one of the aquatic plants that can be used to measure rate of photosynthesis by measuring the rate of oxygen bubbles produced.
  3. 7. The solution can be used to absorb carbon dioxide to do an experiment without carbon dioxide present. (2 words)
  4. 8. This is the colour hydrogencarbonate indicator goes when added to a solution with the same CO2 concentration as the atmosphere.
  5. 9. Temperature, light intensity and carbon dioxide concentration are the three main ______________ ______________ for photosynthesis.
Down
  1. 1. This type of indicator can be used to test the concentration of carbon dioxide in a solution.
  2. 2. This is the colour hydrogencarbonate indicator goes when added to a solution with a high CO2 concentration.
  3. 4. Adding different masses of this to water can change the concentration of carbon dioxide available to an aquatic plant. (2 words)
  4. 6. This variable can be changed by moving a lamp further or closer to the plant. (2 words)