Electrical energy

Front

What is a conductor?

Back

A conductor is a material that current can pass through easily.

Front

Give an example of a conductor.

Back

A metal nail.

Front

What is an insulator?

Back

An insulator is a material that current cannot pass through easily.

Front

Which of the following is NOT an insulator: Wool, Plastic, Copper, Glass?

Back

Copper.

Front

What happens in an open circuit?

Back

In an open circuit, the path for current is broken, and electricity cannot flow.

Front

What is a closed circuit?

Back

A closed circuit is a complete path for current to flow.

Front

What forms of energy are represented by a lit light bulb?

Back

Electrical, light, and heat energy.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.

Front

What is the role of a switch in a circuit?

Back

A switch controls the flow of electricity by opening or closing the circuit.

Front

What is the difference between series and parallel circuits?

Back

In a series circuit, components are connected one after another, while in a parallel circuit, components are connected across common points.