Electricity/Magnets

Front

What is the part of a compass that is magnetic?

Back

The needle.

Front

What happens when two bar magnets repel each other?

Back

The poles of the magnets push away from each other.

Front

What occurs when you touch a metal doorknob after rubbing your shoes on the carpet?

Back

Millions of electrons go from your finger into the doorknob.

Front

What happens when lightning strikes the ground?

Back

Electrons are transferred from the clouds to the ground.

Front

What do circuit breakers and fuses protect?

Back

Devices from overheating.

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.

Front

What is a magnet?

Back

An object that produces a magnetic field.

Front

What are the two types of magnetic poles?

Back

North and South poles.

Front

What is the principle of electromagnetic induction?

Back

The generation of electric current by changing magnetic fields.

Front

What is an electric circuit?

Back

A closed loop that allows electric current to flow.