Unit 5 Magnetic Fields

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

• The trains will not move.
• The trains will move away from each other.
• The trains will move closer to each other.
• Not enough information.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

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NGSS.MS-PS2-5

Which way will the magnets move after they are released?

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

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NGSS.MS-PS2-3

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Why would the two magnets move together?

• There is too much force.
• The magnets are not touching.
• The magnetic force pushes the trains apart.
• The magnetic force will pull the trains together.

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NGSS.MS-PS2-5

Looking at the field lines in this picture, these two magnets are ________

• Attracting

• Repelling

• Attracting and Repelling

• Doing nothing

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NGSS.MS-PS2-5

When two same poles are faced to each other, they _______.

• Attract

• Repel

• Attract and Repel

• Do nothing

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NGSS.MS-PS2-3

Looking at the field lines in the picture above, the magnets, which orientation is possible?

• South - South

• North - South

• South - North

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A(n) __________ is a device that has a magnetized needle that can spin freely.

• Compass
• Magnetic Field

A compass behaves as it does because each needle acts as a magnet

• true

• false

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NGSS.MS-PS2-3

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

• True
• False

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NGSS.MS-PS2-3

Which diagram represents magnetic field lines between two north magnetic poles?

• 
• 
• 
• 

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NGSS.MS-PS2-3

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