UNIT 3. MATERIAL

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Across
  1. 4. a reddish-brown powder that form on some metals left outside for a long time
  2. 5. an activity to make solid transform into liquid
  3. 6. a state of matter that particles are tightly packed.
  4. 10. an activity to make liquid transform into solid
  5. 12. press something to make it change shape, size.
  6. 13. a substance changes when it is mixed with another substance.
  7. 14. liquid or gas move continuously, easily in one direction
Down
  1. 1. very tiny pieces of something we can or cannot see.
  2. 2. a state of matter that particles spread and take the shape of its container
  3. 3. a kind of matter that thing is made from (example paper is made from wood)
  4. 6. a particular type of solid, liquid, or gas (example: water)
  5. 7. a state of matter that particles slide past each other.
  6. 8. change a state from liquid to solid
  7. 9. make something flow from one container to another
  8. 11. change a state from solid to liquid