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5 Written questions

5 Matching questions

  1. Law of Conservation of Energy
  2. joule
  3. potential
  4. efficiency
  5. fusion
  1. a Unit of energy.
  2. b Nuclear energy production by the combination of two atom's nuclei.
  3. c Energy of position.
  4. d States that energy cannot be created or destroyed, only changed from one form to another.
  5. e Compares the amount of usable energy produced with the amount available before the transformation.

5 Multiple choice questions

  1. Nuclear energy production by the division of the nucleus of an atom.
  2. Energy of sound waves or particle oscillations; must have a medium to be transmitted.
  3. Energy produced in a system or material affected by an elastic force.
  4. Gain of thermal energy.
  5. Energy associated with the nucleus of the atom.

5 True/False questions

  1. elastic collisionOccurs when two objects collide and rebound so that the sum of their momentums and the sum of their kinetic energies are the same before and after the collision.


  2. chemicalThe sum of the kinetic energies of all the particles in an object.


  3. radiantType of energy that can be radiated by matter or transmitted through a vacuum.


  4. 1/2 mv squared 0.5 x mass in kg x the square of speed in meters per secondWhat is the formula for gravitational potential energy GPE = ? and what do the variables mean?


  5. temperatureMeasure of the change in thermal energy of a system.