It is collected in a reservoir
It is used in homes for cooking and heating
They are burned in boilers
It is found underground
Solar panels are needed
Electricity is produced from the heat
It is formed underground from decayed plants
Black liquid from decayed plants and animals
Light and heat are transformed into electrical energy
It is used in coal-burning stations
Biomass (solid), bioliquids and biogases
It is used for heating and running vehicles
It makes a turbine to spin around
The kinetic energy of the wind is used
It uses the movement of the air
From moving or falling water
It uses the Sun
It is a black rock composed of carbon
The source of fuel oil, diesel fuel and petrol
Gases formed from decayed living things
It passes through a turbine
A radioactive metal found in some rocks
It is used in nuclear power stations
They come from plant and animal products