Heat and Matter

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Across
  1. 4. distinct forms of matter: solids, liquids, gas
  2. 5. The smallest particle of an element
  3. 6. the total kinetic energy of the particles that make matter
  4. 8. energy of motion
Down
  1. 1. Simplest unit of a chemical compound that can exist
  2. 2. average kinetic energy of all the particles in a material
  3. 3. energy that is stored in a system or object
  4. 7. Anything that has volume and mass