Mega Crossword

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Across
  1. 7. This lets light through
  2. 8. We see things because this reflects on objects
  3. 9. This provides support
  4. 11. The process by which plants produce energy
  5. 16. This lets some light through
  6. 17. This is a type of force
  7. 19. This does not let light through
  8. 20. This is a type of force
Down
  1. 1. This protects vital organs like the lungs
  2. 2. This food groups helps with muscle repair
  3. 3. This food group gives us energy
  4. 4. This takes water from the soil
  5. 5. Animal without a backbone
  6. 6. This is where movement occurs on the skeleton
  7. 9. During the day this is where we get most of our light
  8. 10. Water travels up this to the leaves
  9. 12. This forms when the sun is blocked by an object
  10. 13. Animal with a backbone
  11. 14. This pumps blood around the body
  12. 15. This protects the Brain
  13. 18. A magnet has two of these