Mains Electricity: Quiz

1.1 The 3 types of fossil fuels are

• Coal, fumes and light.

• Natural gas, oil and sand

• Oil, Natural gas and coal

1.2 The company that supplies South Africa with electricity

• eThekwini municipality

• Eskom

• Metro

1.3 Non- renewable energy are

• resources that exist in fixed amounts and can be used up

• resources that can be replaced by natural processes as quickly as humans use them

• resources such as charcoal

1.4 Fossil fuels originally got their energy from

• the earth

• the sun

• water

1.5 The biological process of fossil fuels takes

• thousand years

• five years

• millions of years

1.6 Electricity that we use in our homes daily is produce in a

• lab

• power station

• mine

1.7 Coal is made from

• ancient plants and trees

• prehistoric plants and animals

1.8 The turbine in the power station is linked to a

• generator

• transformer

• incinerator

Tags

NGSS.HS-PS3-3

1.9 Main electricity is

• the main supplier of electrical energy is from power stations.

• the main supplier of electrical energy is from an oil rig.

• the main supplier of electrical energy is from renewable resources.

1.10 Coal can be extracted from the Earth either by

• drilling down into the ocean floor to reach the coal deposits

• surface mining or underground mining.

• underground mining and drilling down into the ocean floor.