Particle theory of matter

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Across
  1. 2. The way heat moves through a material by direct contact
  2. 3. A material that doesn't allow electricity to flow through it easily
  3. 4. A form of energy that makes a substance hotter
  4. 5. How much something holds
  5. 7. A state of matter that can flow
  6. 8. Firm and stable in shape
  7. 10. An instrument used to measure the temperature of something
  8. 13. A state of matter that has no fixed shape or volume
  9. 14. A measure of how hot or cold something is
Down
  1. 1. A material that allows electricity to flow through it easily
  2. 2. How heat travels through liquid and gas
  3. 6. A state in which opposing forces or influences are balanced
  4. 9. Energy that travels in the form of waves
  5. 11. A basic property of matter that tells how much stuff is in an object
  6. 12. something that occupies space