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5 Written questions

5 Matching questions

  1. efficiency
  2. cooling
  3. mechanical
  4. kinetic
  5. electrical
  1. a Compares the amount of usable energy produced with the amount available before the transformation.
  2. b Energy of motion.
  3. c Consists of both potential and kinetic energy.
  4. d Energy produced by the excess, lack, or movement of electrons.
  5. e Loss of thermal energy.

5 Multiple choice questions

  1. One or both objects in a collision deform, some of the kinetic energy is converted to heat.
  2. States that energy cannot be created or destroyed, only changed from one form to another.
  3. What is the formula for kinetic energy KE = ? and what do the variables mean?
  4. A form of radiant energy from electricity and magnetism.
  5. The total amount of energy entering a process equals the sum of all the forms of energy that exist at the end of the process.

5 True/False questions

  1. acousticEnergy of sound waves or particle oscillations; must have a medium to be transmitted.


  2. radiantNuclear energy production by the combination of two atom's nuclei.


  3. fusionNuclear energy production by the combination of two atom's nuclei.


  4. mass energyThe equivalent of the energy of all matter itself if you could convert the matter into energy using the formula E=mc2.


  5. energyThe ability to do work.