Unit 2 Review

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Across
  1. 3. an electrical circuit with multiple branches
  2. 5. the best thermal insulator
  3. 6. the amount of energy needed to raise 1kg of something 1 degrees C
  4. 7. what a positive and negative charge do together
  5. 10. two or more simple machines
  6. 11. sum of KE and GPE
  7. 13. the transfer of thermal energy by electromagnetic waves
  8. 15. the energy of motion
  9. 16. the force the opposes the sliding motion of objects
  10. 20. The generation of an electric current by a changing magnetic field
Down
  1. 1. a machine that does work with one motion
  2. 2. the energy transferred between objects due to a temperature difference
  3. 4. what two positive or two negative charges do together
  4. 8. the average KE of particles
  5. 9. area where magnetic fields are the strongest
  6. 12. the transfer of thermal energy by touching
  7. 14. force x distance
  8. 17. the transfer of thermal energy in liquid/air
  9. 18. an electrical circuit with only one branch
  10. 19. the ability to cause change