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Introduction
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Contents
1. What you can do
2. Water
3. Ecology
4. Amphibians
5. Environmental Issues
6. Keystone species
7. Get Wet!- Field Study Ideas
8. The Zoo Experience
9. Frogs & Friends
10. Case Studies
11. Resources
12. Glossary
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3.6 PHOTO FINISH
(Level: 1 : 3 : 4 : 7 : 10 acad : 10 appl :: Photosynthesis)
Purpose: To simulate the combining of the necessary
components of photosynthesis in a physical activity.
Level: junior, intermediate
What You Need: large open area :: whistle :: a class
set of coloured ribbons (four different colours)
What You Do:
- Divide the class into 4 equal groups and distribute the
coloured ribbons (eg., 7 red, 7 blue, 7 green, and 7
yellow).
- The red group will be the "sun group", the blue group will be
the "water group", the green group will be the "plant group", and
the yellow group will be the "carbon dioxide group" (or "plant
air group").
- The object of the game is for each member of the plant group
to catch a member of the yellow, red, and blue groups who try to
avoid them by running away. Once caught, the two or three will
link arms and continue to try to tag the other required
colour(s).
- The first plant to obtain sun, water, and carbon dioxide
successfully photosynthesizes and survives. Those plants not
successful in photosynthesizing do not survive. Discuss the
result with the students. Was every plant successful? Why or why
not?
- Remove some students from the water group and add them to the
plant group. Allow the game to begin again. Some plants will be
able to obtain all their needed elements except water, and will
not survive because of the shortage of water. Wise plants will
try to tag a water person first, in order to increase their
chances of survival. Discuss the results of the water shortage.
Were there more or less successful plants during the water
shortage? Why or why not?
- Change ratios again between groups. Discuss end results.
Extension:
- Discuss with students what would happen if there were
suddenly less plants on the earth. Also consider what would
happen to plants, animals, and humans if there was suddenly less
carbon dioxide, water, or sun.
Click here to see the list of activities for this unit.
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