Air Unit

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Across
  1. 2. What gas particles do when they are cooled.
  2. 3. Another word for thermal energy.
  3. 5. State of matter where particles are loosely packed and expand to fill container
  4. 6. When air is heated, the particles expand and become less ______.
  5. 8. When _______, particles in matter will move more quickly.
  6. 10. Sugar particles will dissolve more ________ in hot water than cold water.
Down
  1. 1. Anything that has mass and takes up space
  2. 4. When gases are heated, they _________.
  3. 7. When cooled, particles in matter will move more ______.
  4. 9. The amount of matter in an object.