Photosynthesis - How Plants Make Food

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Across
  1. 8. Food that helps plants or animals grow and stay healthy.
  2. 10. A sweet food that gives energy.
  3. 11. The main part of a plant that holds up the leaves and flowers.
  4. 13. The smallest part of a living thing.
  5. 14. Tiny holes in leaves that let air go in and out.
  6. 16. A gas that people and animals need to breathe.
  7. 18. To let something out.
  8. 20. The green part of a plant that helps it use sunlight.
Down
  1. 1. Light that comes from the sun.
  2. 2. A series of steps to make something happen.
  3. 3. The way plants make food using sunlight, water, and air.
  4. 4. A very small group of atoms.
  5. 5. The power to do work or move.
  6. 6. The flat green part of a plant.
  7. 7. reaction A change when two or more things make a new thing.
  8. 9. exchange When gases move in and out of a leaf.
  9. 12. An element found in all living things.
  10. 15. The gases around us that we breathe.
  11. 17. A kind of sugar that plants make for food.
  12. 19. To take something in.