Magnetic and Electrical Forces

What is this a picture of?

• Magnet

• Open circuit

• Electromagnet

• Gravity

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NGSS.MS-PS2-3

These two magnet will...

• Do nothing.

• Repel each other.

• Attract each other

• Create electricity.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

These two magnets will....

• Do nothing.

• Repel each other

• Attract each other

• Create electricity.

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NGSS.MS-PS2-5

Which one of these nails, when hooked up to a battery will attract the most paperclips

• A

• B

• C

• D

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NGSS.MS-PS2-5

How do you know these two magnets are attracting each other?

• You don't

• The iron filings are lining up between the magnets.

• The iron filings are pushed away leaving an empty space.

• They are north and south.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

How do you know these two magnets are repelling each other?

• You don't

• The iron filings are lined up between the magnets.

• The iron filings are pushed away leaving an empty space between the magnets.

• They are North and South.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which metal will be attracted to a magnet?

• Copper

• Gold

• Aluminum

• Iron

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NGSS.MS-PS2-3

Earth has a magnetic field that extends out into space.

• True

• False

Magnetism and electricity are both contact forces.

• True

• False

What conclusion can you state from this picture?

• Opposite charges attract.

• Opposite charges repel.

• The sweater and balloon are neutral.

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NGSS.MS-PS2-3