When a chemical reaction happens, what happens to the amount of reactants, and what happens to the amount of products?(1 point)
Responses
both stay the same
both stay the same
both increase
both increase
reactants increase and products decrease
reactants increase and products decrease
reactants decrease and products increase
reactants decrease and products increase
How can you measure the rate at which photosynthesis occurs?(1 point)
Responses
Measure the output of carbon dioxide since photosynthesis releases CO2.
Measure the output of carbon dioxide since photosynthesis releases CO2.
Measure the uptake of carbon dioxide since photosynthesis consumes CO2.
Measure the uptake of carbon dioxide since photosynthesis consumes CO2.
Measure the production of oxygen since photosynthesis releases oxygen.
Photosynthesis occurs during the day when light is at its peak to maximize food production. Some respiration also occurs, but photosynthesis is the dominant process.(1 point)
Responses
True
True
False
True
The energy of the reactants is lower than the energy of the products. So energy has to be put INTO this reaction for it to take place. Is this an example of endothermic or exothermic reactions?(2 points)
Responses
Endothermic
Endothermic
Exothermic
Exothermic
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