Part 2: What does electricity come from?

Question 1: How is most of South Africa’s electricity generated?

From burning coal

From solar

From wind

From nuclear

That is not correct. Most of South Africa’s electricity is generated from burning coal, not solar power.

That is not correct. Most of South Africa’s electricity is generated from burning coal, not wind power.

That is not correct. Most of South Africa’s electricity is generated from burning coal, not nuclear energy.

Correct! Most of South Africa’s electricity is generated from burning coal.

Question 2: What is the electricity grid?

It is the power plants that create electricity

It is the electricity lines that transport electricity

It is the appliances that use electricity

None of the above

That is not correct. It is not the power plants that create electricity.

That is not correct. It is not the appliances that use electricity.

That is not correct. The electricity grid is the electricity lines that transport electricity.

Correct! The electricity grid is the electricity lines that transport electricity.

Question 3: What is the main purpose of the electricity grid?

To store electricity for future use

To generate electricity

To transport electricity from power plants to consumers

To convert electricity into heat energy

That is not correct. The main purpose of the electricity grid is not to store electricity for future use.

That is not correct. The main purpose of the electricity grid is not to generate electricity.

That is not correct.The main purpose of the electricity grid is not to convert electricity into heat energy.

Correct! The main purpose of the electricity grid is to transport electricity from power plants to consumers.

Question 4: Which of these is a renewable source of electricity?

Coal

Solar energy

Oil

Natural Gas

That is not correct. Coal is not a renewable source of electricity.

That is not correct. Oil is not a renewable source of electricity.

That is not correct. Natural gas is not a renewable source of electricity.

Correct! Solar energy is a renewable source of electricity.

Question 5: Which source of electricity uses heat from the sun to produce power?

Fossil fuels

Tidal energy

Solar

Biogas

That is not correct. Fossil fuels do not use heat from the sun to produce power.

That is not correct. Tidal energy does not use heat from the sun to produce power.

That is not correct. Biogas does not use heat from the sun to produce power.

Correct! Solar power uses heat from the sun to produce power!

Part 2: What does electricity come from?

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Part 5: Off-grid vs Grid-tied Solar Systems

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