NST Test Revision

A substance that burns as a source of energy is called ...

• fuel

• energy chain

• output energy

• plant

Fuels have energy waiting in them, we say they have ...

• extinguished

• stored energy

• kinetic energy

• sun energy

Which of the following are examples of stored energy in fuels?

• wax

• paraffin

• petrol

• moon

The energy we need to "put in" to start a fuel burning is called ...

• light energy

• output energy

• input energy

The energy that is produced when a fuel burns is called ...

• output energy

• input energy

• blue energy

What is the input energy?

• electrical energy

• fan energy

• heat energy

• movement energy

What is the output energy?

• Light energy

• movement energy

• fuel

• sound energy

Which one of these is not something that fires need in order to start burning?

• heat

• oxygen

• fuel

• extinguisher

What happens if I remove one of the these things?

• The fire will carry on burning.

• The fire will stop burning.

• The fire will burn stronger.

• The fire will burn a little less brightly.

Which of these is not a way to prevent fires?

• Do not play with matches.

• Make sure candles are not burning near anything that could catch alight.

• Do not damage electrical appliances.

• Always dry clothes on a heater.