Module 4 Video Summary Worksheet

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Across
  1. 3. Perpetual motion machines do not work!
  2. 4. Does the center of mass need to stay directly in the middle with no shifts, Yes or No?
  3. 5. the Learned sketched a perpetual motion wheel
  4. 6. How many laws of thermodynamics do these machines tend to break?
  5. 7. Most motion machines produce what, which would cause the machine to slow down and eventually stop altogether
  6. 8. What law of thermodynamics states that energy can neither be created nor destroyed?
  7. 10. This is the concept that was thought to keep the wheel spinning
Down
  1. 1. a device that can do work indefinitely without an outside energy source
  2. 2. Could there possibly be perpetual motion machines in the future, Yes or No?
  3. 8. Scientists have been successful in creating models for why these machines work.
  4. 9. What law of thermodynamics states that energy spreads throughout processes like friction?