Energy Resources

A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the generator move and this produces electricity. Which words are used to describe the energy stored in the coal and the energy of the moving generator?

• A

• B

• C

• D

Which energy source is one that is used to boil water to make steam in power stations?

• energy from tides

• energy from waves

• hydroelectric energy

• nuclear energy

Which energy source is renewable and reliably available at all times?

• coal

• geothermal

• nuclear

• wind

Which is a non-renewable energy resource?

• coal

• solar

• tides

• wind

Which energy resource is used to boil water to generate electricity?

• hydroelectric

• nuclear fission

• tides

• waves

Which source of energy involves the splitting of heavy atoms?

• chemical energy

• geothermal energy

• hydroelectric energy

• nuclear energy

Which form of energy is used to generate electrical energy in a tidal power station?

• chemical energy

• potential energy

• internal energy (thermal energy)

• nuclear energy

Electrical energy may be obtained from nuclear fission.

In which order is the energy transferred in this process?

• nuclear fuel → generator → reactor and boiler → turbines

• nuclear fuel → generator → turbines → reactor and boiler

• nuclear fuel → reactor and boiler → generator → turbines

• nuclear fuel → reactor and boiler → turbines → generator

The diagram shows a hydroelectric system. What are the main energy changes taking place?

• chemical energy → kinetic energy → electrical energy

• electrical energy → gravitational energy → kinetic energy

• gravitational energy → kinetic energy → electrical energy

• kinetic energy → electrical energy → gravitational energy

In which pair of energy sources are both sources renewable?

• oil and coal

• oil and tidal

• tidal and geothermal

• tidal and nuclear fission