kari 2.1 vocab

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Across
  1. 2. chemical reaction
  2. 4. the substances presents
  3. 5. absorbs heat and energy
  4. 7. a chemical reaction
Down
  1. 1. a chemical change
  2. 3. the substances that are forms
  3. 6. a change in matter
  4. 8. takes up same amount of space