magnetism review

Front

What is magnetism?

Back

Magnetism is a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects.

Front

What is a magnetic field?

Back

An area of magnetism surrounding a magnet that applies a force (a push or pull) without actually touching an object.

Front

What materials are affected by a magnetic field?

Back

Materials that contain iron, nickel, or cobalt are typically affected by a magnetic field.

Front

What happens when you place a compass in a magnetic field?

Back

The compass needle aligns itself with the magnetic field, pointing towards the magnetic poles.

Front

What are the two types of magnetic poles?

Back

North pole and South pole.

Front

What is the relationship between electric current and magnetism?

Back

Electric current flowing through a wire creates a magnetic field around the wire.

Front

What is a turbine generator?

Back

A turbine generator is a device that converts mechanical energy from spinning turbines into electrical energy.

Front

How is electricity produced in a geothermal power plant?

Back

Electricity is produced by using steam to spin the turbine generators.

Front

What are the geographic poles?

Back

The geographic poles are the points on the Earth's surface where the axis of rotation meets the surface, namely the North Pole and South Pole.

Front

What are the magnetic poles of the Earth?

Back

The magnetic poles are the points where the Earth's magnetic field is strongest, and they can change over time.