Energy (Photosynthesis)

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Across
  1. 4. The process by which plants make their own food.
  2. 7. The green substance in leaves that absorbs light.
  3. 9. Living things need this to carry out life processes.
  4. 10. The main source of energy for all living things.
Down
  1. 1. Gas produced during photosynthesis.
  2. 2. Animals get energy from what they eat.
  3. 3. Iodine turns blue-black in the presence of this.
  4. 5. Extra sugar made by plants is stored as this.
  5. 6. Unit used to measure energy in food.
  6. 8. Plants use water, carbon dioxide and this to make food.