Coal fired power stations use fossil fuels. The energy in is turned to heat in the boiler, which turns water to . The converts this energy into energy. The turbine turns a that converts kinetic energy into energy.

The nuclear power station does the same thing, except that the boiler is a .

Nuclear power produces no pollution, but it does produce dangerous waste.

energy does not use fossil fuel. Solar, wind, hydroelectric, and biofuels capture energy from the . Tidal energy works of the rise and fall of the tides caused by the . energy comes from hot rocks below the Earth's surface.