8th Electric and Magnetic Forces

The size or quantity of something

• Electromagnetic force

• Magnetic strength

• Magnitude

• Electric force

What will happen if the north ends of two magnets are placed near each other?

• They will attract each other.

• Both magnets will get weaker.

• They will repulse (repel) each other.

• Nothing will happen.

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A directional flow of electrical charge through an object or medium

• Magnitude

• Magnetic force

• Electromagnetic force

• Current

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Force resulting from interaction between electrically charged particles

• Electromagnetic force

• Current

• Magnetic strength

• Magnetic force

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Magnetic strength

• Attraction or repulsion that arises between electrically charged particles because of their motion

• Force resulting from interaction between electrically charged particles

• How strong a magnet is

• A directional flow of electrical charge through an object or medium

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetic force

• Attraction or repulsion that arises between electrically charged particles because of their motion

• How strong a magnet is

• Force resulting from interaction between electrically charged particles

• The size or quantity of something

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can the strength of an electromagnet increase?

• Remove the core, leaving only the coils of wire.

• Add more loops (coils) of wire around the core.

• Remove the battery.

• Remove loops (coils) of wire from around the core.

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What will happen as an electron (-) gets closer to a proton (+)?

• The attraction will be stronger.

• The repulsion will be stronger.

• The attraction will be weaker.

• Nothing will happen to the electric field.

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Electric force

• Attraction or repulsion that arises between electrically charged particles because of their motion

• Force resulting from interaction between electrically charged particles

• The size or quantity of something

• Attractive or repulsive interactions between any two charged objects

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NGSS.MS-PS2-3

As the distance between magnets increases, the attraction between them will –

• Increase

• Become stronger

• Decrease

• Stay the same

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NGSS.MS-PS2-3

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