Forces at a Distance

Which material is attracted to a magnet?

• Silver

• Iron

• Water

• Aluminum

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

• They will repel.

• They will attract.

• Nothing will happen.

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 A north pole on a magnet and a south pole on a magnet will attract.

• True

• False

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Magnetism is a type of ____________.

• Contact Force

• Friction

• Light

• Force At A Distance

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A student conducts an experiment on how distance affects magnetic force. What result will the student get?

• The greater the distance, the more magnetic force

• The less distance there is, the less magnetic force there is

• The greater the distance, the less magnetic force

• Nothing will happen

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NGSS.MS-PS2-3

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Magnets can pull on things without touching them.

• True

• False

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How is a permanent magnet different from a temporary magnet?

• A permanent magnet attracts materials made of iron.

• A permanent magnet has poles.

• A permanent magnet has a magnetic field.

• A permanent magnet keeps its magnetism for a long time.

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This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?

• NIB Magnet

• Electromagnet

• Ceramic Magnet

• Disc Magnet

What characteristics do magnetic substances have?

• They can give you a "shock" when you touch them.

• They can push or pull objects without touching them.

• They are always black and cold to touch.

• They fall faster than other objects when you drop them.

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NGSS.MS-PS2-3

A type of magnet that has temporary magnetic effect when electric current flows through it.

• Electric

• Electrostatic

• Electromagnet

• Electronic

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