Phases of Matter

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Across
  1. 1. When a solid, liquid, or gas loses energy (heat), it _.
  2. 3. Particles in a gas move _ through space.
  3. 5. When a solid, liquid, or gas heat up, it _.
  4. 9. When a force (applied pressure) is used to move gas (air) closer together.
  5. 12. Particles in a solid are always _ (moving back and forth)in place.
Down
  1. 2. The particles in a liquid move _ and around each other.
  2. 4. Definite volume but shape depends on where it is
  3. 6. In a solid, the particles are _ together.
  4. 7. Energy of motion.
  5. 8. In a gas, these is a lot of _ between the particles.
  6. 10. Definite shape and volume
  7. 11. No definite volume or shape