3.2 science crossword

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Across
  1. 2. chemical reaction that includes heat
  2. 4. could happen when mixing things together
  3. 8. solid that emerges from a liquid solution
  4. 9. a thing that people go to on Sunday morning
  5. 10. needed to battle with a pokemon card
  6. 13. there are 3 main forms about this
  7. 16. a type of metal and color
  8. 17. food rots
  9. 18. happens in your stomach after you eat
  10. 20. atoms are made out of this
Down
  1. 1. a pure form of matter
  2. 3. putting substances together
  3. 5. a scale discovery
  4. 6. decipher the relationship between things
  5. 7. usually melts with heat
  6. 11. changing of color on metal
  7. 12. will expand freely - having no fixed shape
  8. 14. what people say when they find out stuff
  9. 15. this happens when heat is applied
  10. 19. a material made up of 2 or more substances