Chapter 5 Lesson 1 "Observing Chemical Change"

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Across
  1. 1. _________ reactions release energy
  2. 5. __________ reactions absorb energy
  3. 6. the new substances that form
  4. 7. the holes in bread are formed from pockets of _______
Down
  1. 2. ________ a change in matter that produces one or more new substances
  2. 3. substances that undergo the chemical changes
  3. 4. ________ change is any change that alters the form or appearance of a substance, but does not change it into another substance
  4. 6. a solid that forms from liquids during a chemical reaction