physical science module 2

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Across
  1. 4. rate at which work is done
  2. 5. the product of a force exerted on an object multiplied by the object's displacement.
  3. 7. the transfer of heat energy in the form of electromagnetic waves
  4. 9. energy energy associated with the motion and position of everyday objects
  5. 13. An inclined plane wrapped helically around a wheel and axle
  6. 16. A measure of how hot or cold an object is compared to a reference point.
  7. 20. the process of heat transfer in fluids by the means of rising and falling currents of liquid or gas
Down
  1. 1. the transfer of heat energy from one solid to another through direct contact
  2. 2. Any rigid bar that can be used to pry or lift.
  3. 3. Energy stored energy
  4. 6. Machines The six basic machines that all machines are composed of. Include: Pulley, Lever, Inclined Plane, Wedge, Wheel & Axle, and Screw
  5. 8. Rope wound around a wheel system used for lifting objects.
  6. 10. Machines Any machine that is made up of more than one simple machine.
  7. 11. of conservation of energy- energy cannot be created nor destroyed
  8. 12. the transfer of thermal energy from one object to another because of a difference in temperature.
  9. 14. and axle Simple machine composed of two round disks of different diameter, joined together so that work can be done.
  10. 15. heat the amount of heat needed to raise the temperature of one gram of a material by one degree Celsius.
  11. 17. Part of the lever around which the input arm and output arm rotate.
  12. 18. Energy energy that is in motion
  13. 19. Energy (heat) kinetic energy of particles