How Living Things Trap Energy from the Non-living World
Questions
1. What organelle do plants need to capture the light energy in sunlight?
2. What raw materials (molecules) do plants need to make glucose?
3. Where in the structure of glucose molecule do plants store the sun's energy?
4. What color of light does chlorophyll absorb the least? Why?
5. How did you measure the rate of photosynthesis?
6. As you blew into the bromothymol blue solution, did the color change result from lowering or raising the pH?
7. What happened to the color of the bromothymol blue solution when carbon dioxide was removed during photosynthesis?
8. Where did the carbon dioxide go in the previous question?
9. Is starch present in the areas of the leaf that were covered with tinfoil or in the areas of the leaf that were uncovered? Explain your answer.
10. Do plants perform cellular respiration? How would you test this?