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Energy and Change - Coggle Diagram
Energy and Change
Renewable energy
Energy that cannot be used up.
Hydropower
energy from falling water used to produce electricity.
Found at Cahora Bassa Dam, Zambezi River, Mozambique
Wave and tidal power
Uses the rise and fall of tides or movement of waves to generate electricity.
Wind energy
uses the wind to produce electricity.
wind farm located in Darling, Western Cape.
Solar energy
solar panels
used to heat water
reduce cost of heating water
Biofuel
energy from animal dung.
Non-renewable energy
Energy that will eventually be used up.
Examples of non-renewable energy
Oil
Used to create other substances
Paraffin
Diesel
Petrol
These substances are important sources of energy for trains, cars and aeroplanes
South Africa does not have enough oil.
Buy from other countries.
Gas
discovered under the sea at Mossel Bay.
Coal
is burnt to produce electricity
Eskom generates South Africa's electricity.
Koeberg Nuclear Power Station
Produces heat energy
Splits atoms into substances such as,
Uranium
