Electricity/Magnets

Front

What happens when two bar magnets repel each other?

Back

The poles of the magnets push away from each other.

Front

Which is not a property of a magnet? Options: all magnets have two poles, all magnets have a force of attraction or repulsion, all magnets are surrounded by a magnetic field, all magnets can be turned off

Back

all magnets can be turned off

Front

A device that uses a free-moving magnetic needle to show direction is a: lodestone, magnet, compass, magnetic field

Back

compass

Front

A compass _______ is the part of a compass that is magnetic.

Back

needle

Front

Why are magnetic poles called north and south?

Back

because it lines up with Earth's axis

Front

What causes electricity? Options: moving neutrons, moving protons, moving atoms, moving electrons

Back

moving electrons

Front

What type of charge do electrons have?

Back

negative

Front

What type of electricity occurs when you rub a balloon on your sweater?

Back

static electricity

Front

What happens 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.