Energy & Matter

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Across
  1. 5. when a liquid turns into a gas because heat has been added.
  2. 6. anything that has weight and takes up space
  3. 9. when a solid turns into a liquid because heat has been added
  4. 11. when a liquid turns to a solid because heat has been taken away.
Down
  1. 1. measure of the amount of space that a substance or an object takes up.
  2. 2. their atoms are tightly packed together.
  3. 3. measure of the amount of matter in an object.
  4. 4. when a gas is turned into a liquid because heat has been taken away
  5. 7. the ability to do work
  6. 8. they take the shape of their container and their atoms have some space between them.
  7. 10. their atoms have large spaces between them