Energy CW 2

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Across
  1. 2. type of energy resource that is used faster than it is replaced
  2. 7. transfer of thermal energy from one material to another by electromagnetic waves
  3. 8. energy that is carried by electromagnetic waves
  4. 9. increase in a material’s volume when the temperature is increased
  5. 11. machine that converts thermal energy into mechanical energy
  6. 12. transfer of thermal energy between materials because of collisions between particles
  7. 17. energy that is stored in the nucleus of an atom
  8. 19. type of energy resource that is replaced as fast as, or faster than, it is used
  9. 21. amount of thermal energy it takes to increase the temperature of 1 kg of material by 1°C
  10. 23. transmitted by electromagnetic waves
  11. 24. space that contains little or no matter
  12. 27. movement of thermal energy from a warmer object to a cooler object
  13. 28. Vocabulary
  14. 30. material through which thermal energy flows easily
  15. 31. device that uses electric energy to pump thermal energy from a cooler location to a warmer location
  16. 32. energy due to motion
  17. 33. total energy of an object or group of objects due to large-scale motions and interactions
  18. 34. nonrenewable energy resources made of the remains of ancient organisms and is burned as an energy source
Down
  1. 1. decrease in a material’s volume when the temperature is decreased
  2. 3. energy carried by sound
  3. 4. dug up
  4. 5. a device that regulates the temperature of a system
  5. 6. energy transfer to an object by a force, making the object move in the direction of the force
  6. 9. represents the average kinetic energy of the particles that make up a material
  7. 10. ability to cause change
  8. 12. movement of fluids in a cycle because of convection
  9. 13. transfer of thermal energy by the movement of particles from one part of a material to another
  10. 14. positively charged centers of atoms
  11. 15. material through which thermal energy does not flow easily
  12. 16. states that energy can be transformed from one form into another or transferred from one region to another, but energy cannot be created or destroyed
  13. 18. energy carried by an electric current
  14. 20. device that converts electric energy into thermal energy
  15. 22. type of energy resource that cannot be used up
  16. 25. stored energy due to interactions between objects and particles
  17. 26. force that resists the motion of two surfaces that are touching
  18. 29. sum of kinetic and potential energy of the particles in matter due to their random motion