Physical Science Electricity Test

Front

What does the symbol of a light bulb represent?

Back

A light bulb represents a device that converts electrical energy into light energy.

Front

What is a closed circuit?

Back

A closed circuit is a complete, unbroken path through which electric charges can flow.

Front

What is an open circuit?

Back

An open circuit is a broken path that prevents electric charges from flowing.

Front

Why is a light bulb off in an open circuit?

Back

The light bulb is off because it needs a complete path for electrons to flow.

Front

What is the best electrical conductor among common objects?

Back

A nail is the best electrical conductor among the options provided.

Front

What is an electric circuit?

Back

An electric circuit is a complete, unbroken path that allows electric charges to flow.

Front

What is an insulator?

Back

An insulator is a material that does not allow electric charges to flow easily.

Front

What is an example of a good conductor?

Back

Copper is an example of a good conductor.

Front

What happens to a light bulb in a closed circuit?

Back

The light bulb lights up because it is part of a complete circuit.

Front

What is electric current?

Back

Electric current is the flow of electric charge through a conductor.