Electricity distribution

What is electricity?

• The movement of positive electrical charges

• The movement of negative electrical charges

• The movement of negative and positive electrical charges

• The movement of neutral electrical charges

Which materials do not allow the electrons to flow through them?

• Conductors

• Semiconductors

• Insulators

• Superconductors

Electricity.....

• is a primary source.

• is measured in Watts.

• isn't measured in Amps.

• is a secondary source.

We get electricity from the conversion of......

• coal, nuclear energy, sun, wind.

• secondary energy sources.

• only non-renewable energy sources.

• only renewable energy sources.

Examples of fossil fuels are....

• coal, petroleum, nuclear energy.

• oil, biomass, coal, wind.

• natural gas, sun, oil, water.

• coal, petroleum, natural gas.

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

• Nuclear

• Biomass

• Electricity

• Water

Which letter generally denotes current?

• I

• C

• W

• V

Renewable sources of energy

• are unable to be reproduced once consumed.

• produce CO2.

• don’t replenish themselves.

• don’t produce greenhouse gases.

A generator....

• stops the flow of energy.

• measures electricity.

• converts mechanical energy to electricity.

• is a reserve of chemical energy.

Non-renewable energy sources can be used…

•  indefinitely.

• for a limited period of time.

• because they are sustainable.

• in the future for their low cost.