Magnetic Fields

Front

What is the shape of a magnetic field around the Earth?

Back

The magnetic field around the Earth is shaped like a bar magnet, with field lines emerging from the magnetic south pole and entering the magnetic north pole.

Front

True or False: Magnetic field lines always cross.

Back

False. Magnetic field lines never cross each other.

Front

True or False: A north pole and a south pole will attract.

Back

True. Opposite poles of magnets attract each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What happens when two north poles of a magnet are placed together?

Back

They repel each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

Magnetic field lines are closest together at the __________.

Back

poles.

Front

What is a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What do magnetic field lines represent?

Back

Magnetic field lines represent the direction and strength of a magnetic field.

Front

What is the direction of magnetic field lines?

Back

Magnetic field lines point from the north pole to the south pole of a magnet.

Front

What is the effect of distance on the strength of a magnetic field?

Back

The strength of a magnetic field decreases as the distance from the magnet increases.

Tags

NGSS.MS-PS2-3

Front

What is the term for materials that can be magnetized?

Back

Ferromagnetic materials.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5