Magnetic field

Magnets can interact without touching.

• True
• False

Tags

NGSS.MS-PS2-5

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

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

Tags

NGSS.MS-PS2-3

A north pole and a south pole will attract.

• True
• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The area of magnetic force around a magnet is known as its _____________.

• magnetic field

• magnetic declination

• magnetic fan lines

• magnetic tan lines

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.

• calculator

• ruler

• compass

• map

Dylan puts two magnetic toy trains very close to each other on a track. What will happen next, and why?

• The trains will not move because the magnets are not touching.

• The trains will move closer to each other because the magnetic force will pull the trains together.

• The trains will move away from each other because the magnetic force will push the trains apart.

• The trains will move away from each other because the magnets are not touching.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

True or False: A magnet is attracting when it pushes objects away from each other.

• True

• False

Tags

NGSS.MS-PS2-3

Which way will the magnets move after they are released?

• Towards each other
• Away from each other
• Not enough information

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can magnets cause objects to have kinetic energy?

• A magnetic force can convert kinetic energy stored in a magnetic field to potential energy.
• Kinetic energy can convert potential energy stored in a gravitational field.
• A magnetic energy can convert potential energy stored in a gravitational field to kinetic energy.
• A magnetic force can convert potential energy stored in a magnetic field to kinetic energy.

Tags

NGSS.HS-PS3-5

The energy something has because it is moving

• kinetic energy
• potential energy
• magnetic energy
• force

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1