Properties of Matter

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Across
  1. 2. a physical property of matter; mass to volume
  2. 5. mixture that is easily separated
  3. 7. A change in matter that does not change the original identity
  4. 8. how light reflects off a surface
  5. 9. particles move around each other, definite volume
  6. 10. evidence of a production of a gas
  7. 13. high kinetic energy, no definite volume or shape
  8. 14. mixture that is uniform throughout
  9. 16. energy due to motion
  10. 18. Special group of metals that are used in technology
  11. 19. change in temperature
Down
  1. 1. the group that the rare earth metals are in
  2. 3. gas at room temperature; brittle; dull; insulator
  3. 4. sit between metals and nonmetals on the periodic table
  4. 6. also known as a homogeneous mixture
  5. 7. cannot be physically separated
  6. 11. definite volume, definite shape, low kinetic energy
  7. 12. smallest unit of matter
  8. 15. high luster; good conductors of electricity, malleable
  9. 17. a reaction that causes a new substance to form