matter

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Across
  1. 4. small particle that is the basic unit of matter
  2. 5. two or more substances put together that can be easily separated
  3. 6. the process in which matter changes from a gas into a liquid
  4. 7. point the temperature at which a solid turns into liquid
  5. 10. the process in which matter changes from a liquid to a gas
  6. 12. Change A change from one state (solid, liquid, or gas) to another. It is typically reversible and easily observed (changing the size, shape, or color of a material).
  7. 13. atoms with no fixed volume or shape; they fill entire container they are in.
Down
  1. 1. Change A change that occurs when a material turns into a new material during a chemical reaction. It is not easily reversed.
  2. 2. the amount of space matter takes up
  3. 3. point the temperature at which a liquid changes into a gas
  4. 7. Anything that has mass and takes up space; there are three basic states: solid, liquid, and gas
  5. 8. point the temperature at which a liquid turns into a solid
  6. 9. atoms with a fixed shape and volume
  7. 11. with a fixed volume that take the shape of their container