MATTER

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Across
  1. 1. this is an object mass compared to its volume
  2. 3. solid to gas
  3. 5. A change that causes matter to change into something new.
  4. 6. liquid to gas
  5. 7. The amount of energy needed to change a material from a solid to the liquid state.
  6. 8. Is a change that affects one or more physical properties of a substance.
  7. 10. solid to a liquid
  8. 11. / This theory states that all matter is made up of atoms that are in constant motion.
  9. 12. A gas-like mixture of charged particles that move very fast due to the extreme amount of heat energy.
  10. 13. this is the amount of force matter pushes on an amount of space.
  11. 14. liquid to solid
  12. 15. gas to liquid
Down
  1. 1. gas to solid
  2. 2. Means that when matter is heated up it expands. The reverse is also true. When matter is cooled it contracts
  3. 4. Any object that has mass and takes up space.
  4. 9. The amount of energy needed to change a material from the liquid state to the gas state.