Webquest – Photosynthesis
and Cellular Respiration
Name_______________________________Per____
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Photosynthesis
1. Go to: http://earthguide.ucsd.edu/earthguide/diagrams/photosynthesis/photosynthesis
A. What are the reactants (starting materials)?
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2. Go to: http://www.pbs.org/wgbh/nova/nature/photosynthesis.html
 Launch Interactive
 Click on The Cycle – Read and click on parts
 Click on Atomic Shuffle – Read and answer questions
A. What are the names of the holes in the leaves? ______________________
B. Click on Three Puzzlers:
#1 Answer and explain: ________
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#2 Answer and explain: ________
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#3 Answer and explain: ________
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3. Go to: http://www.phschool.com/science/biology_place/biocoach/photosynth/overview.html
A. During photosynthesis energy changes forms. Solar (light) energy is converted
to_______________ energy.
B. Which organelle is the site of photosynthesis? ___________________________________
Cellular Respiration
4. Go to: http://www.slideshare.net/CRCourseDev/module-6-lesson-2-cell-respiration
A. What is the purpose of cellular respiration?
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B. Why do we need ATP?
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C. Stage 1 or cellular respiration is __________________ which takes place in the
___________________________.
D. If no oxygen is present then ________________________ can occur. The 2 types are:
_____________________________ and ______________________________
E. Stage 2 of cellular respiration is ________________________ which takes place in the
______________________________.
F. Stage 3 of cellular respiration is ________________________ which takes place in the
_____________________________.
G. At the end of one cycle of cellular respiration, one molecule of glucose makes a net gain of
___________ (how many?) ATP molecules.

___________ from glycolysis

___________ from the Krebs cycle

___________ from the Electron Transport Chain
H. Fill in the table comparing Photosynthesis and Cellular Respiration:
Photosynthesis
Cellular respiration
Function
Location
Reactants
Products
Equation
5. Go to: http://www.phschool.com/science/biology_place/biocoach/cellresp/intro.html
A. In cellular respiration: _____________________________, ________________________,
and _____________________________ can be used as fuels.
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B. This tutorial refers to the 3 part of cellular respiration (The Electron Transport Chain) as
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