U1. Electricity

Which of these use electricity to function?

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Which of these are sources of electrical energy?

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From the power station, electricity travels through ... and into our homes.

• cables

• batteries

• boiler

• turbine

Battery changes _______ energy into ______ energy.

• chemical→ electrical

• electrical→ chemical

• chemical→ light

• electrical→ kinetic

Accumulator changes _______ energy into ______ energy.

• chemical→ electrical

• electrical→ chemical

• chemical→ light

• electrical→ kinetic

Dynamo changes _______ energy into ______ energy.

• chemical→ electrical

• electrical→ chemical

• kinetic→ electrical

• electrical→ kinetic

A flow of electricity charges through wires and components is called a/an

• electrical conductor

• electric circuit

• electric current

• voltage

The current flow from _______ terminal to _______ terminal of a cell.

The pressure that causes current to flow is called

• electrical conductor

• electric circuit

• electric current

• voltage

Parts of dynamo are _____, _____, _____