Physical Science Unit 3

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Across
  1. 2. when KE of an object increases, the PE ________
  2. 6. sum of KE and PE in a system
  3. 8. energy of moving electrons
  4. 9. time is measured in
  5. 11. mass is measured in_______
  6. 12. when 2 small atoms combine to make a larger atom
  7. 14. energy is measured in ________
  8. 16. energy inside the bonds of molecules
  9. 17. the type of energy on the surface of the sun
  10. 21. the energy stored in an object above the ground
  11. 22. the GPE of an object changes if mass or________ changes
  12. 23. energy of moving objects
  13. 26. the transfer of heat through the movement of a fluid
  14. 27. distance is usually measured in
Down
  1. 1. the larger something is, the _____ thermal energy it has
  2. 3. energy in light waves
  3. 4. the transfer of heat through electromagnetic waves
  4. 5. energy________be created or destroyed
  5. 7. force is measures in
  6. 10. the transfer of heat through direct physical touch
  7. 13. friction causes mechanical energy to be converted into_______energy
  8. 15. another word for electromagnetic energy
  9. 18. the energy stored in a spring or coil
  10. 19. energy created by vibrating molecules in a medium
  11. 20. something that slows down the transfer of heat between objects
  12. 24. something that speeds up the transfer of heat between objects
  13. 25. when 1 large atom splits to make 2 smaller atoms