States of Matter and Phase Change

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Across
  1. 1. Phase change in which a solid is converted directly to a gas
  2. 3. THis state is reached by heating a gas to the point where particles are pulled apart, separating the electrons from the rest of the particles
  3. 6. State of matter that has a definite volume but does not have a definite shape
  4. 7. This energy enters or leaves a system during a phase change without causing a temperature change in the system
  5. 11. The temperature at which a substance changes from a liquid to a gas
  6. 13. A type of reaction that absorbs energy from its surroundings
  7. 14. State of matter that does not have a definite volume and shape
  8. 17. State of matter that has a definite shape and definite volume
  9. 18. Phase change in which a liquid turns into a gas
  10. 19. Phase change in which a liquid turns into a solid
Down
  1. 2. Measure of teh average kinteic energy of all the particles in a substance
  2. 4. Anything that has mass and takes up space
  3. 5. The temperature at which a substance changes from a solid to a liquid
  4. 8. Energy that is transferred from warmer things to cooler things
  5. 9. A typer of reaction that releases energy from its surroundings
  6. 10. Phase change in which a gas turns into a liquid
  7. 12. Phase change in which a gas is converted directly to a solid
  8. 15. Phase change in which a solid turns into a liquid
  9. 16. Physical change in the state of mater from one state to another