Vocab Review Labs 10-14

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Across
  1. 3. the mass within a closed system remains the same regardless of the energy transformations
  2. 4. the scientific law that energy can never be created or destroyed, only converted into different forms
  3. 6. the changing or conversion of one form of energy to another
  4. 8. is a form of potential energy related to the molecular structure of a substance
  5. 11. a physical change where matter moves farther apart
  6. 12. are atoms or molecules that are very close together and that move within fixed positions in a rigid structure
  7. 13. describes whether a substance is a solid, liquid, or gas
  8. 14. are atoms or molecules that are close together and flow in random motion over each other
  9. 15. atoms do change, they are different before and after
  10. 16. to remain the same in quantity or amount
Down
  1. 1. a physical change where matter moves closer together
  2. 2. two or more atoms bonded together
  3. 5. atoms do not change, they are the same before and after
  4. 7. where atoms and molecules are not allowed to enter or leave the system
  5. 9. are atoms or molecules that are far apart and that move freely with random motion
  6. 10. is an example of chemical energy