Y5 Unit 5 Electricity

Front

What is electrical energy used for?

Back

Electrical energy is used for powering devices, lighting, heating, and various applications in homes, industries, and transportation.

Front

The sources of electrical energy.

Back

Power plant, Solar cell, Dry cell, Dynamo, Accumulator, Generator

Front

What type of energy does a solar cell convert into electrical energy?

Back

It converts light energy from the Sun into electrical energy.

Front

How many paths does a series circuit have for the electric current to flow?

Back

Only one path.

Front

How many paths does a parallel circuit have for electric current?

Back

More than one path.

Front

What happens to other bulbs if one bulb in a series circuit is removed?

Back

All bulbs go off because the circuit is incomplete.

Front

What happens to other bulbs if one bulb in a parallel circuit is removed?

Back

Other bulbs still light up because current can flow through other paths.

Front

Which circuit makes bulbs brighter: series or parallel?

Back

Parallel circuit.

Front

How does increasing the number of dry cells affect brightness of bulbs?

Back

As the number of dry cells increases, the bulbs become brighter.

Front

What happens if you connect too many plugs into one socket?

Back

It may cause overheating, short circuit, or fire.