All about science

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Across
  1. 1. Animal bones covered a lonn time
  2. 5. place where light can't be shown
  3. 9. Getting some genes from your parents
  4. 11. Pumps blood
  5. 12. they scratch
  6. 13. Holds electrons
  7. 15. Holds light
  8. 19. They have a backbone
  9. 20. Pumps oxygenated air
Down
  1. 2. Doesn't have backbone
  2. 3. Children of the parents
  3. 4. helps stop bleeding faster
  4. 6. Has electricity stored in it
  5. 7. Moves blood
  6. 8. A machine powered by electricity
  7. 10. Something you get from your parents
  8. 14. They bark
  9. 16. can fly
  10. 17. they can produce babies
  11. 18. Produces light