Cht. 11 Sci.

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Across
  1. 4. A measure of mass per unit of volume, or how closely the particles in an object are packed together.
  2. 6. The change of state when a solid changes directly into a gas.
  3. 9. A temperature at which a solid melts.
  4. 10. A change in the physical properties of a substance.
Down
  1. 1. The temperature at which boiling occurs in a liquid.
  2. 2. A characteristic of matter that can be observed and measured without changing the matter.
  3. 3. The amount of matter in an object.
  4. 4. When a solid spreads and mixes evenly into a liquid.
  5. 5. The volume of fluid that is pushed aside by an object.
  6. 7. The amount of space that matter occupies
  7. 8. The measure of the effect of Earth’s gravity on an object.