B2.3 Photosynthesis

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Photosynthesis

Green plants and algae use light energy to make their own food. They obtain the raw materials they need to make this food from the air and the soil. The conditions in which plants are grown can be changed to promote growth. 

What is it?

Photosynthesis is the process by which plants make their own food using carbon dioxide and water.

Equation of Photosynthesis

(http://static.aqa.org.uk/assets/image/0015/55221/photosynthesis.gif)

What Happens During Photosynthesis?

  • light energy is absorbed by a green substance called chlorophyll, which is found in chloroplasts in some plant cells and algae 
  • this energy is used…

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