science

1234567891011121314151617181920
Across
  1. 5. over 7 in the ph scale
  2. 7. chambers in heart
  3. 8. no more on earth
  4. 10. what colour is blue in ph scale
  5. 11. eats plants
  6. 13. what is a lizard
  7. 15. what bird is extinct
  8. 16. helps you breath
  9. 18. how many numbers in ph scale
  10. 20. gets its energy from sun
Down
  1. 1. feels alkali
  2. 2. eats meat
  3. 3. endangered
  4. 4. what is milk
  5. 6. under 7 in the ph scale
  6. 9. pumps blood around body
  7. 10. sting weak alkali
  8. 12. nearly extinct
  9. 14. hunted animal
  10. 17. taste acid
  11. 19. what colour is acid in ph scale