Y8 Exam Follow Up Crossword

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Across
  1. 2. A surface that does not reflect light
  2. 3. This element is made of two hydrogens and one oxygen
  3. 6. A type of micro-organism
  4. 8. A description of loudness
  5. 10. Caused by bacterial build up on Teeth
  6. 12. The movement of a chemical down its concentration gradient
  7. 13. Plaque on teeth produce this to destroy enamel
  8. 16. The variable that you measure
  9. 18. Apart from water, its the other compound produced from burning
  10. 21. The element that combines with carbon to form carbon dioxide
  11. 22. The ray that comes off a mirror
  12. 24. How we pass on characteristics to offspring
  13. 26. The ray that hits the mirror first
  14. 28. How many cycles per second
  15. 29. A type of acid that contains Sulphur, Hudrogen & Oxygen
Down
  1. 1. A very pure type of light
  2. 4. With a high pH
  3. 5. Metals have this property
  4. 7. The displacement/volume of a sound on an Oscilloscope
  5. 9. An animal a bit like a horse but not a pony
  6. 11. With a low pH
  7. 14. Two animals producing offspring
  8. 15. Our Genes are made of this nucleic chemical
  9. 17. Neither an Acid or an Alkali
  10. 19. Lab heating equipment
  11. 20. The variable that you control
  12. 23. You should never ever put these in a table
  13. 25. A word used to describe a property of sound
  14. 27. An item of protection worn in the lab