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PLANTS. How do plants make their own food ? Making food Green plants are the only living things which can make their own food. Green plants are the only.

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Presentation on theme: "PLANTS. How do plants make their own food ? Making food Green plants are the only living things which can make their own food. Green plants are the only."— Presentation transcript:

1 PLANTS

2 How do plants make their own food ?

3 Making food Green plants are the only living things which can make their own food. Green plants are the only living things which can make their own food. This process is called photosynthesis. This process is called photosynthesis.

4 Making food Leaves are green in colour because they contain chlorophyll. Leaves are green in colour because they contain chlorophyll. Chlorophyll is needed in photosynthesis. Chlorophyll is needed in photosynthesis.

5 What does the plant need ? For photosynthesis to take place a plant needs : For photosynthesis to take place a plant needs : Carbon dioxide from the air Carbon dioxide from the air Light from the sun Light from the sun Water from the rain Water from the rain Chlorophyll from the leaves Chlorophyll from the leaves

6 What then … ? When the plant has all of these things … When the plant has all of these things … … photosynthesis can take place. … photosynthesis can take place. The plant produces sugar and oxygen. The plant produces sugar and oxygen.

7 A closer look at photosynthesis A closer look at photosynthesis 2. Light in Oxygen out 1. Carbon dioxide in 3. Water in Food out 4. Chlorophyll is already in green leaves


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