Chapter 1 Amplify Magnetic Force

to pull objects toward one another

• attract

• repel

• system

• model

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Based on the magnetic field line diagrams, what will happen next with these two sets of magnets?

• The magnets in Set 1 will repel, and the magnets in Set 2 will attract.

• The magnets in Set 1 will attract, and the magnets in Set 2 will repel.

• The magnets in Set 1 will not move, and the magnets in Set 2 will attract.

• In both sets, the magnets will attract.

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to push objects away from each other

• attract

• repel

• system

• model

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In a system of magnets, there is a repelling force with ____ poles.

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a set of interacting parts forming a complex whole

• attract

• repel

• system

• model

Which is NOT what makes an electromagnet different from other magnets?

• The magnetic force can be shut off.

• It has a north and south pole.

• The magnetic force strength can be changed.

• The poles can be reversed.

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object, diagram or computer program, like the SIM, that makes something simpler or easier to see

• attract

• repel

• system

• model

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A magnetic force can _______ and repel an object at a distance.

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Eli is holding two magnets close to each other. What will happen when he lets go?

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

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

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

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

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one of the two opposite ends of a magnet

• system

• magnetic pole

• magnetic field line

• magnetic field

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