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Inside a Green Leaf

A green leaf takes in sunlight, water, and a gas from the air. Its cells use these to make sugar for food and oxygen to release.

In the picture

  1. Sunlight on the leaf surface: the energy that starts the change.
  2. Water droplet at the vein: water the leaf takes in.
  3. Gas cluster at a lower opening: a gas the leaf takes from the air.
  4. Green cell compartment: where water and gas become sugar and oxygen.

Examples

  • A tree’s leaves making food on a sunny day.
  • Grass in a garden growing using light, water, and air.

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Science, Age 9