unit 2

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Across
  1. 5. when plants absorbs sunlight for growth
  2. 8. what is inside a physical thing
  3. 9. hail rain and storms
  4. 11. something that changes becoming a chemical reaction
  5. 12. the degradation of a metal due to a reaction with its environment
  6. 13. something that you create that is new and it's a substance
  7. 14. what is inside a chemical
Down
  1. 1. what is proof that is a chemical reaction
  2. 2. fancy word for explosion
  3. 3. rotting metal
  4. 4. what happens after you swallow food
  5. 6. rubbing hands together to make heat
  6. 7. bacteria eats dead plants
  7. 10. something changes physically