nat sci exam prep lesson 2 term 3

natural fuel formed from dead animals and plants

network of electricity cables transporting electricity from power stations to homes

big blades moving because of steam, water or air

glowing because conductor being heated

is a fossil fuel made from dead plants and animals over millions of years

fossil fuels contain energy used to make:

• electricity

• diesel

• petrol

• paraffin

why are illegal connections dangerous

• shocked

• power cuts

• expensive

• fires

renewable energy: wind-powered, solar and ______

usually displayed on packaging showing how much energy is used by an appliance

ways to save electricity

• solar

• energy saving light bulbs

• switching off lights