Magnetic

A north pole and a south pole will attract.

• True

• False

Tags

NGSS.MS-PS2-3

Earth's magnetic poles are in the same place as the geographic poles.

• True

• False

Magnetic field lines are closet together at the __________.

• poles

• lines

Magnetic field lines always cross.

• True

• False

The motion of liquid _______ in the Earth's core creates a magnetic field.

• Iron

• Magnesium

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

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

• 
• 
• 
• 

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

• 
• 
• 
• 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How are electromagnets different from magnets?

• magnets can be turned on/off

• you can turn an electromagnet on/off

• magnets are more powerful

• magnets have a North and South pole

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-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-3

NGSS.MS-PS2-5