photoquestions
Name: ________________________________ Date: ___________

Questions from Part 1:

1. What is the sun's role in photosynthesis?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

2. How do plants absorb carbon dioxide?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

3. What is chlorophyll, and what does it do?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

4. How is glucose created?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

5. Why do plants release oxygen?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

6. Why are plants green?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

7. An average tree can produce enough oxygen to keep how many people alive?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

8. If we prevented a tree from getting oxygen could it still stay alive? Why or Why not?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

9. Why do leaves change color?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

Questions from Part 2:

Do you know of anyone or group that is involved in a tree planting program?
___________________________________
__________________________________________

1. Why do we need to be concerned about the greenhouse effect?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

2. How are human activities contributing to the greenhouse effect?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

3. How might tree-planting programs help keep the greenhouse effect from becoming more of a problem?
__________________________________________
___________________________________________
___________________________________________
___________________________________________

4. What other benefits might tree-planting programs have?
___________________________________________
___________________________________________
___________________________________________
__________________________________________

5. One quote from the American Forests' Global ReLeaf Web site is that "these trees help clean the air and water, filter polluted runoff, slow global warming and erosion, and provide habitat for wildlife." Rewrite or add to this sentence using the word "photosynthesis" and at least one other vocabulary word from the Web sites you have explored.
___________________________________________
___________________________________________
___________________________________________
__________________________________________
___________________________________________
___________________________________________
___________________________________________
__________________________________________

Last updated  2010/07/14 16:37:31 EDTHits  282