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5 Written questions

5 Matching questions

  1. efficiency
  2. energy
  3. thermal
  4. fission
  5. 1/2 mv squared 0.5 x mass in kg x the square of speed in meters per second
  1. a The ability to do work.
  2. b The sum of the kinetic energies of all the particles in an object.
  3. c Nuclear energy production by the division of the nucleus of an atom.
  4. d What is the formula for kinetic energy KE = ? and what do the variables mean?
  5. e Compares the amount of usable energy produced with the amount available before the transformation.

5 Multiple choice questions

  1. One or both objects in a collision deform, some of the kinetic energy is converted to heat.
  2. Unit of energy.
  3. Energy produced through a magnetic field.
  4. Gain of thermal energy.
  5. Colliding objects stick together after a collision.

5 True/False questions

  1. First Law of ThermodynamicsThe total amount of energy entering a process equals the sum of all the forms of energy that exist at the end of the process.


  2. nuclearEnergy associated with the nucleus of the atom.


  3. coolingGain of thermal energy.


  4. wh (weight in newtons) x (height in meters)What is the formula for gravitational potential energy GPE = ? and what do the variables mean?


  5. radiantThe movement of thermal energy into or out of a system.