Vocab

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Across
  1. 1. to do work or transfer heat
  2. 4. particles vibrate but can't move around
  3. 5. any substance that has a defined composition
  4. 9. composition structure and properties of matter and the changes it undergoes
  5. 11. matter with variable composition
  6. 12. very high kinetic energy
  7. 13. process that absorbs energy from the surroundings
  8. 14. particles can separate and move throughout the container
Down
  1. 1. substance made up of atoms
  2. 2. process that releases energy into the surroundings
  3. 3. matter with constant composition
  4. 6. mass that occupies space
  5. 7. substance made from two or more elements
  6. 8. particles can move around but are still close together
  7. 10. a substance that is currently gas but normally is a liquid or solid at room temperature