Reach 2a revision

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Across
  1. 3. The place where animals live
  2. 6. How big or small something is
  3. 7. A long, thin tube that moves water from a pump
  4. 10. To take in water
  5. 11. Something that you need
  6. 13. When something might happen
  7. 16. The way animals look different
  8. 17. A change that happens to help an animal survive
  9. 18. Pick it up and move it
Down
  1. 1. How much money you need to give
  2. 2. A machine that moves water through pipes
  3. 4. A new way of doing something or a new machine
  4. 5. Knowing what someone or something looks like
  5. 6. The outline of something
  6. 8. Nothing can hurt you
  7. 9. A thing people have to make doing something easier
  8. 12. How a person acts, what they do and what they say
  9. 14. Nothing is wrong with your body
  10. 15. Stop someone or something from being hurt