chemical and physical reactions

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Across
  1. 2. A point that a substance turns from a solid to a liquid
  2. 4. A reaction that changes the amount of space that a substance takes up
  3. 6. A point that a substance turns from a gas to a liquid
  4. 8. A reaction that rearranges the atoms in a substance
  5. 9. When a substance releases energy
  6. 10. When a solid turns into a gas
Down
  1. 1. When a gas turns into a solid
  2. 3. A point that a substance turns from a liquid to a gas
  3. 5. When a substance absorbs energy
  4. 7. When a liquid turns into a solid