Electricity supply

Question 1

What fuel powers the majority of our power station in SA?

Answer 1

Coal (about 95%)

Question 2

What is the national electricity grid?

Answer 2

A system that connects all of the power station to the electricity cables that supply electricity across the country.

Question 3

What is the name of the device that rotates to generate electricity in the generator?

Answer 3

Turbine

Question 4

What part of a coal-fired power station converts the potential energy from coal to heat energy?

Answer 4

Furnace (where the coal is burnt)

Question 5

What is a ‘dynamo’?

Answer 5

A small generator that turns mechanical energy into electricity.

Question 6

Name 5 electricity saving tips.

Answer 6

Energy efficient light bulbs
Switch of lights/appliances when not in use.
Turn off geyser when not needed.
Place insulation in roof to reduce heat loss
Use the correct size plate on the stove to match the size of the pot.