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5 Written questions

5 Matching questions

  1. inelastic collision
  2. fission
  3. efficiency
  4. mechanical
  5. heating
  1. a Gain of thermal energy.
  2. b Compares the amount of usable energy produced with the amount available before the transformation.
  3. c Nuclear energy production by the division of the nucleus of an atom.
  4. d Consists of both potential and kinetic energy.
  5. e Colliding objects stick together after a collision.

5 Multiple choice questions

  1. What is the formula for gravitational potential energy GPE = ? and what do the variables mean?
  2. 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.
  3. Energy of motion.
  4. States that energy cannot be created or destroyed, only changed from one form to another.
  5. Type of energy that can be radiated by matter or transmitted through a vacuum.

5 True/False questions

  1. thermalEnergy stored in chemical bonds.


  2. 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.


  3. coolingLoss of thermal energy.


  4. partially elastic collisionOne or both objects in a collision deform, some of the kinetic energy is converted to heat.


  5. mass energyThe ability to do work.


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