Matter and Change vocab

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Across
  1. 1. matter that has a definite composition
  2. 4. process that releases energy into the surroundings
  3. 6. the measure of the amount of matter
  4. 9. most are gases
  5. 11. a property that can be observed and measured without changing the material's composition
  6. 13. particles can move around, but are still close together
  7. 14. particles vibrate but can't move around
  8. 15. have properties of both metals and nonmetals
  9. 18. change the appearance, without changing the composition of the material
  10. 19. a process that absorbs energy from surroundings
  11. 20. depends on the amount of matter in the sample
Down
  1. 2. the smallest unit of an element that maintains the properties of that element
  2. 3. the ability of a substance to undergo a specific chemical change
  3. 5. the study of the composition, structure, and properties of matter and the changes it undergoes
  4. 7. the energy possessed by an object due to its position, composition, or condition
  5. 8. particles collide with enough energy to break into charged particles (+/-)
  6. 10. most are solids
  7. 12. energy of motion
  8. 16. a pure substance made of only one kind of atom
  9. 17. particles can separate and move throughout the container