Matter and Change

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Across
  1. 2. particles vibrate but can't move
  2. 5. a process that releases energy into the surroundings
  3. 7. particles collide with enough energy to break into charged particles
  4. 11. a mixture made of particles that are uniformly distributed
  5. 13. anything that has mass and takes up space
  6. 14. substance made from two or more elements which are chemically combined
  7. 16. made from two or more substances
Down
  1. 1. energy of motion
  2. 3. the particles can move freely
  3. 4. a mixture made of particles that are not uniformly distributed
  4. 6. study of composition, structure, and properties of matter
  5. 8. particles can move but are still close to each other
  6. 9. a substance made up of atoms with the same atomic number
  7. 10. matter with constant composition
  8. 12. a process that absorbs energy from the surroundings
  9. 15. energy that an object contains