Machines and Energy Study Guide

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Across
  1. 2. a fast car has ____ kinetic energy
  2. 4. energy found in the bonds of certain things
  3. 5. a car jack is made up of 2 simple machines (screw and _____)
  4. 8. A compound machine made up of wedges and levers.
  5. 11. the unit that energy is measured in
  6. 12. ______ machines are made up of multiple simple machines
  7. 14. For work to occur you need motion and ____ with the object.
  8. 15. stored up energy that is not moving
  9. 16. True/False: machines increase the speed at which work is done
  10. 17. device with a tapered/sharpened edge
  11. 19. stored energy in objects that are off of the ground
  12. 20. used to change the direction of objects by lifting or lowering them using a wheel and cable
Down
  1. 1. energy an object possesses due to its motion
  2. 3. point that allows a lever to swivel back and forth
  3. 6. energy found in items that are stretched, compressed, bent
  4. 7. allows for heavy objects to move easier by reducing friction
  5. 9. _______ machines do work with one type of movement
  6. 10. simple machine with a spiral threaded around a rod
  7. 13. ______ occurs when motion happens
  8. 18. source of chemical potential energy