Work, Energy, and Simple Machines Ch. 4 & 5

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Across
  1. 2. a material through which thermal energy moves slowly
  2. 3. a machine that does work with only one movement of the machine
  3. 4. a combination of two or more simple machines
  4. 6. the ratio of the output force to input force
  5. 9. the ability to cause change
  6. 10. the transfer of energy by electromagnetic waves, such as light and microwaves
  7. 12. states that if the mechanical energy of a system is constant, the increase in thermal energy of that system equals the sum of the thermal energy transfer into that system and the work done on that system
  8. 18. energy that is stored by compressing or streching an object
  9. 22. the amount of heat needed to raise the temperature of 1kg of that material by 1 degree Celcius
  10. 24. the sum of the kinetic energy and potential energy of the objects in a system
  11. 28. a heat engine that burns fuel inside a set of cylinders
  12. 29. anything around which you can imagine a boundary
Down
  1. 1. the study of relationships between thermal energy, heat, and work
  2. 5. energy that is stored due to interactions between objects
  3. 7. a device that converts some thermal energy into mechanical energy
  4. 8. is energy that is due to chemical bonds
  5. 11. a device that changes the force or increases the motion from work
  6. 13. energy that is due to the gravitational forces between objects
  7. 14. energy that is transferred between objects due to a temperature difference between those objects
  8. 15. a device that transforms radiant energy from the sun into thermal energy
  9. 16. force applied through a distance
  10. 17. states that energy cannot be created or destroyed
  11. 19. the rate at which energy is converted
  12. 20. states that energy spontaneously spreads from regions of higher concentration to regions of lower concentration
  13. 21. the ratio of output work to input work
  14. 23. the transfer of thermal energy by collisions of between particles that make up matter
  15. 25. the sum of the kinetic energy and the potential energy of all the particles that make up that object
  16. 26. the transfer of thermal energy in a fluid by the movements of warmer and cooler fluid
  17. 27. energy due to motion