MYP1 Chemical reactions

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Across
  1. 5. This can increase and also decrease in a chemical reaction
  2. 6. this gas is made when fuels burn
  3. 11. this word applies to a chemical reaction because you can undo the change
  4. 12. this is the scientific word for burning
  5. 13. keep our eyes safe during experiments
Down
  1. 1. the acid we used in the lab, has the formula HCl
  2. 2. this gas is made from a reaction between metal and acid
  3. 3. this word means that you can change things back again
  4. 4. we can detect this change ONLY using our eyes
  5. 7. the equipment we used used for our chemical reactions
  6. 8. we notice this when a gas is made in a chemical reaction
  7. 9. this gas produces a squeeky pop when tested with a lit match
  8. 10. melting ice is an example of this type of change