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10 minutes maximum! Can you do it in 5?

 coal

 1. What form of energy is stored in a lump of coal?

  • A. Chemical energy.
  • B. Gravitational Potential Energy.
  • C. Electrical Energy.
  • D. Elastic Energy.

2. Which of these is not classed as a store of energy?

  • A. Chemical energy.
  • B. Gravitational Potential Energy.
  • C. Electrical Energy.
  • D. Elastic Energy.

3. Atoms contain postively charged protons and negatively charged electrons.

What is the name of the energy store associated with the force between charges?

  • A. Nuclear energy.
  • B. Electrostatic energy
  • C. Magnetic energy.
  • D. Chemical energy.

Q 4-9. These questions are about transfers (shifts) in energy stored.

For each example choose the correct inital and final energy store.

 
Energy transfer Inital Stored Energy   Final Stored Energy
An arrow fired from a bow. to
A pan of water on a gas heater. to
A ball thrown upwards.
(After it leaves the hand to its highest point).		 to

10. A vehicle is slowed down by friction brakes on the wheels. truck

The kinetic energy lost from the truck is dissipated as ...

  • A. thermal energy.
  • B. electrical energy.
  • C. sound energy.
  • D. chemical energy.