What term is used to describe energy resources that will always be available?

Where does the energy for tidal power stations come from?

Which system generates electricity directly from the Sun's radiation?

Geothermal energy is obtained by using steam that comes from under the ground. Where does the heat energy come from that creates the steam?

Which of the following describes the energy changes in a pumped storage hydroelectric system?

In photovoltaic cells on what does the amount of electricity produced depend??

What is the name given to the source of energy created by the burning of gas from decaying plant or animal waste?

Choose the answer that contains the missing words in the correct order. Convection _________ in the Earth's atmosphere give rise to the wind. These are created by ______ energy from the Sun warming up the surface of the Earth. Wind _________ have large blades that are connected to gears linked to a __________. The _________ energy of the wind is transferred into electrical energy.

Which of the following would be a good source of electrical energy for a remote place?

Which energy source comes from the movement of sea water flowing through turbines to generate electricity?