One VHS video and teacher's guide. Photosynthesis is the process by which green plants on Earth capture and store the energy of the sun. The stored energy which is eventually converted to food products by the process of photosynthesis is what living things on the Earth use to carry out all their life activities. If green plants did not carry out photosynthesis life on earth would be drastically different. Photosynthesis is therefore an essential unit in the study of Biology. The program begins by stating that photosynthesis is the process by which green plants produce food for themselves and for animals. Viewers are asked to identify the raw materials and products of photosynthesis. On the Activity Sheet students are asked to list the things which surround plants.

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