Energy and Matter

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Across
  1. 3. the ability to cause change
  2. 5. to come together with direct impact
  3. 6. related to heat
  4. 7. a small unit of matter
  5. 8. to become smaller
  6. 10. to spread out
  7. 11. matter with no definite volume and no definite shape
  8. 12. matter with a definite shape and volume
  9. 16. study of heat
Down
  1. 1. the measure of the average kinetic energy of the particles in a material
  2. 2. particle motion DECREASES and causes particles to occupy LESS volume
  3. 4. INCREASE of a material's volume when particle motion INCREASES
  4. 9. motion energy
  5. 13. movement of particles from an area of higher concentration to an area of lower concentration
  6. 14. anything that has mass and takes up space
  7. 15. matter with a definite volume but no definite shape