03. Energy 1

We get the energy that our bodies need from energy stored in:

• food

• water

• warm clothes

• hot baths

The units for measuring energy are:

• Horsepower

• degrees

• Joules

• Newtons

People who dig holes in the road need a lot of energy stored in their food because:

• they have long tea breaks.

• they always forget their sandwiches.

• they sometimes have to work in the rain.

• they transfer a lot of energy while they work.

You can find out how much energy is in a peanut by:

• burning it, and seeing how hot it makes a test tube of water.

• eating it, and seeing how full you feel.

• weighing it.

• seeing what colour it is.

Fossil fuels are formed from:

• water

• electricity

• dead plants and animals

• rocks

Fossil fuels are non-renewable fuels because:

• they give out heat when they burn.

• they were formed from fossils.

• they are expensive.

• they cannot be replaced once they are burnt.

Electricity is not a fuel because:

• it has to be generated using other energy resources.

• it is easy to switch on and off.

• it cannot be used to make cars run.

• it can burn you.

Which statement is true?

• Renewable energy resources will run out one day.

• Renewable energy resources will not run out.

• Non-renewable energy resources will not run out.

• None

Which renewable resources are available at any time?

• hydroelectricity and geothermal

• solar and wind

• tidal and wave

• biofuels and solar energy

Which of these energy resources does not originally come from the Sun?

• wind energy

• solar power

• fossil fuels

• geothermal energy