Sources of Energy

What are the two types of energy sources?

• Solar and wind

• Fossil and nuclear

• Natural and artificial

• Non-renewable and renewable

Which of the following is a non-renewable energy source?

• Solar

• Wind

• Coal

• Hydro-electricity

What is a disadvantage of using coal?

• Expensive

• Limited availability

• Requires sunlight

• Pollution

What is crude oil primarily used for in South Africa?

• Cooking food

• Generating electricity

• Manufacturing petrol and diesel

• Heating homes

Where is natural gas found in South Africa?

• In the desert

• In coal mines

• In the mountains

• Under the sea near Mossel Bay

What is a major advantage of nuclear fuels?

• Danger of radiation

• Little pollution

• Requires fossil fuels

• Expensive to build

What is the main source of energy for solar power?

• Coal

• Sun

• Water

• Wind

What is a disadvantage of solar energy?

• Expensive

• Constant availability

• No air pollution

• Simple design

What does wind energy primarily do?

• Generate heat

• Pump water

• Store energy

• Create pollution

What is a disadvantage of hydro-electricity?

• Constant availability

• Expensive to develop

• No waste materials

• Simple design