Physical Science Unit 3

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