Quarterly Review

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Across
  1. 2. is when water falls as rain, snow, or sleet
  2. 3. is when water turns from a liquid to a gas
  3. 5. the end result in a chemical reaction
  4. 6. two or more atoms combined
  5. 8. __________ reactions create a brand new substance
  6. 9. is when water collects and flows downhill
Down
  1. 1. the substance(s) that go into a reaction
  2. 2. in a __________ reaction the substance stays the same but looks different
  3. 4. the smallest unit of matter
  4. 7. a pure substance