Chemical Reactions & Material Creation

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Across
  1. 1. A new material that can form
  2. 5. Helps people feel better
  3. 6. To join substances together
  4. 9. A new substance formed
  5. 12. To split a substance apart
  6. 13. A strong metal mixture
  7. 14. A change that makes a new substance
  8. 16. An example of a chemical reaction when baking
  9. 17. A starting material in a reaction
  10. 19. A product of some reactions
Down
  1. 2. A gas used in many reactions
  2. 3. What materials like concrete help do
  3. 4. To combine substances together
  4. 7. A strong material used in tools
  5. 8. Needed for reactions to happen
  6. 9. A man-made material
  7. 10. Something that may change in a reaction
  8. 11. Energy that may be released
  9. 15. What happens during a reaction
  10. 18. Bubbles formed in some reactions