Science Electricity Review

Front

What is needed for every circuit to function?

Back

A power source is needed for every circuit to function.

Front

Which type of material allows electricity to flow easily?

Back

A conductor allows electricity to flow easily.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by electric current.

Front

How can you increase the strength of an electromagnet?

Back

You can increase the strength of an electromagnet by increasing the voltage of the battery.

Front

What is the purpose of a switch in a circuit?

Back

A switch is used to open or close a circuit, controlling the flow of electricity.

Front

What happens when you turn off an electromagnet?

Back

When you turn off an electromagnet, it loses its magnetic properties.

Front

What is an insulator?

Back

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

Front

Why are electromagnets useful in junk yards?

Back

Electromagnets are useful in junk yards because they can be turned off and on, allowing for easy lifting of metal objects.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow easily, while an insulator does not.

Front

What is voltage?

Back

Voltage is the measure of electric potential energy per unit charge.