Magnetism

A north pole and a south pole will attract.

• True
• False

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A magnet cannot move which of the following objects?

• a paper clip

• a nail

• a toothpick

• a staple

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Earth acts like a giant magnet because its center is made up MOSTLY of

• granite

• limestone

• iron

When two magnets attract, they ______________

• push apart

• change color

• pull together

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When two magnets repel, they ________________

• change color

• pull together

• push apart

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How is Earth's magnetic field similar to that of a magnet?

• It is hundreds of miles long

• It has north and south poles

• It is shaped like a horseshoe

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Magnetism is....

• The part of the magnet where the force is the strongest

• A force created by magnets that pulls some metals

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Magnetism is a type of ____________

• force
• book
• plant
• animal

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This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.

• Use a smaller battery.

• Remove all the coils and the nail.

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NGSS.MS-PS2-3

This picture best illustrates the construction of a(n)

• magnet

• electromagnet

• series circuit

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