Aim 7: Data logging colorimeters or light sensors could be used. 3.8.5 State that light 1 energy is used to produce ATP, and to split water molecules (photolysis) to form oxygen and hydrogen. 3.8.6 that ATP 1 and hydrogen (derived from the photolysis of water) are used to fix carbon dioxide to make organic molecules. Explain that 3 The recall of 3.8.7 the rate of details of photosynthesis specific can be experiments to measured indicate that directly by the photosynthesis production of has occurred oxygen or the or to measure uptake of the rate of carbon photosynthesis dioxide, or is not indirectly by expected. an increase in biomass. 3.8.8 Outline the 2 The of effects of the graphs is temperature, required. The light intensity concept of and carbon limiting dioxide factors is not concentration expected. on the rate of photosynthesis. Aim 7: Data logging using gas sensors, oxygen, carbon dioxide or pH probes could be used.
Aim 7: Data logging colorimeters or light sensors could be used. 3.8.5 State that light energy is used to produce ATP, and to split water molecules (photolysis) to form oxygen and hydrogen. 1 3.8.6 that ATP and hydrogen (derived from the photolysis of water) are used to fix carbon dioxide to make organic molecules. 1 3.8.7 Explain that the rate of photosynthesis can be measured directly by the production of oxygen or the uptake of carbon dioxide, or indirectly by an increase in biomass. 3 The recall of details of specific experiments to indicate that photosynthesis has occurred or to measure the rate of photosynthesis is not expected. 3.8.8 Outline the effects of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis. 2 The of the graphs is required. The concept of limiting factors is not expected. Aim 7: Data logging using gas sensors, oxygen, carbon dioxide or pH probes could be used.