Name: _____________________
Photosynthesis Webquest
Go to http://woodchurchscience.edublogs.org/files/2008/03/photosynthesis-flash.swf
1. What do plants take in through the roots?
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What are the structures attached to the roots and why are they important?
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2. What moves up stems to the leaves?
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3. Where does the leaf get water?
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4. Where does the leaf get carbon dioxide?
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5. What does the leaf combine to make sugar?
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6. What does the plant release into the air as a waste?
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7. What does the plant do with the sugar it makes?
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What is the name of the structure that transports sugar throughout the plant?
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8. Why are plants important to the environment?
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Illuminating Photosynthesis
http://www.pbs.org/wgbh/nova/methuselah/photosynthesis.html#
Read the introduction “Illuminating Photosynthesis,” then click on the “launch interactive” link.
Click on “The Cycle” at the top of the box.
1. Click on each of the following items, and explain what happens:
A. The shade over the window: ___________________________________________________
B. The container of water: _______________________________________________________
C. The child: _________________________________________________________________
2 A. What gas does the child provide for the plant to use? __________________________
B. What gas does the plant provide for the child to use? __________________________
C. Will the plant continue to produce this gas if the shade over the window is closed? (Try it out
to see!) __________________________
3. According to this animation, what 3 main things does the plant need for photosynthesis to
occur?
1. _________________________
2. _________________________
3. _________________________
Click on “The Atomic Shuffle” at the top of the box. Read the introductory poem, and click on “next.”
4. What type of molecule is shown in the leaf? ____________________
5. Draw one of the molecules below, as it is shown in the leaf.
6. According to the reading, these molecules “do not come from the tap.” What 2 places do they
come from?
1. ________________________
2. ________________________
Click on “next” and watch carefully. You may click on “replay” to watch this again.
7. A. What is “stripped” from each water molecule? _______________________
B. From where does the cell get the energy to do this? _______________________
C. The stripped molecules form pairs. Where does it go after this?
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Click on “next”
8. A. What gas enters the leaf? _______________________________
B. This gas enters through “holes” in the leaf. What are they called? _____________________
Click on “next”
9. What molecule is formed once again? _______________________
Click on “next”
10. Another molecule is formed (“and boy is it sweet”). What is the name of this molecule?
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Click on “Three Puzzlers” at the top of the box.
11. Answer each of the following questions and explain in your own words.
A. Can a tree produce enough oxygen to keep a person alive? Explain.
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B. Can a plant stay alive without light? Explain.
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C. Can a plant survive without oxygen? Explain.
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Overview of Photosynthesis Labeling.
1. Label the following picture below.
http://www.phschool.com/science/biology_place/biocoach/photosynth/overview.html
2. In your own words give an explanation of what is happening in the diagram above.
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3. Concept 6 : Label the chloroplast
Go to http://sambal.co.uk/?page_id=218
1. What are producers and consumers?
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2. Write the inputs and outputs of photosynthesis.
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3. What is the equation for photosynthesis?
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