Magnetism
Two materials that attract magnets.
What is iron or steel?
A compass will always point to the _____ pole.
What is the north pole?
The lesser the distance between two magnets the _________ the force.
What is stronger (or greater)?
A magnet that requires electricity
Electromagnet
Two sides of a magnet.
What are north and south poles?
A tool that tells you the direction of the poles.
What is a compass?
Pushing together.
What is attract?
The two sides of a battery
Negative and positive terminals
A magnet that will forever be magnetic.
What is a permanent magnet?
Earth is one giant _______.
What is a magnet?
Pulling apart.
What is repel?
How does an electromagnet differ from a permanent magnet
An electromagnet only generates a magnetic field when an electric current is flowing through it
A magnet that is only magnetic for a short period of time.
What is a temporary magnet?
Two types of magnetic force.
What is attraction and repulsion?
What happens when a piece of iron (or steel) touches another magnet.
What is a temporary magnet?
A system that includes a complete pathway which energy can pass through.
What is a complete circuit?
The invisible area that surrounds a magnet.
What is a magnetic field?
A magnet's ability to attract or repel.
What is magnetic force?
The greater the distance between magnets the _________ the force.
What is weaker?
Heat, light, sound and motion are all ________ of energy.
What is evidence?