Chemical and Physical reactions

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Across
  1. 3. something to do with origami
  2. 6. when you digest food
  3. 8. below 32 degrees
Down
  1. 1. a fun kitchen activity
  2. 2. using a shredder
  3. 4. a type of art
  4. 5. something that happens when iron is exposed to a lot of oxygen and moisture.
  5. 7. when you put water on a stove
  6. 8. an explosion mostly used on the 4th of july