Emily Lahr - 2.1 Vocab

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Across
  1. 2. A chemical reaction
  2. 4. The substances that are formed during a chemical reaction
  3. 5. A chemical reaction that gives off heat
  4. 7. A change in matter
  5. 8. A chemical change; a process that changes substances
Down
  1. 1. Material that has mass
  2. 3. A chemical reaction that absorbs heat
  3. 6. The substances present before a chemical reaction occurs