Name:________________________________________________
Science 8-Mrs. Hagan
Date:_______
Period______
Pg:
Ch. 2.1 Photosynthesis Section Review Questions Worksheet
1. A. Why do living things need energy?
B. How do plants obtain energy?
C. An insect eats a leaf. Explain how the insect depends on the sun for energy.
2.
What chemical equation sums up the events of photosynthesis?
3. There are two stages of photosynthesis. Which stage requires light (what happens)?
What happens during the second stage when light is not needed?
4. What are the raw materials needed for photosynthesis?
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What are the products?
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5. Would you expect a plant to produce more oxygen on a cloudy day or a sunny day? EXPLAIN.
6. What role does chlorophyll play in photosynthesis?
7. Where is chlorophyll found? ________________________________________________
8.
Look at Figure 3 on page 46-47 of your text. What happens to the oxygen produced during
photosynthesis?