Electricity and Magnetism

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

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NGSS.MS-PS2-3

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As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is responsible for the Magnetic Field around Earth?

• The Earth's crust
• The Earth's molton iron core
• The Earth's mantel
• The Sun

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

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NGSS.MS-PS2-3

The strongest part of a magnet is...

• the bars.
• the force field.
• the poles. 
• the middle.

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NGSS.MS-PS2-3

If a glass plate is placed over a magnet and iron filings are sprinkled over the glass, a pattern will be visible. What does this pattern indicate?

• The magnetic field

• The electrostatic field

• The piezoelectric effect

• The chemical reaction of the magnet and the filings

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can a wire become magnetic?

• point it north

• add a resistor

• heat it up

• run a current through it

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NGSS.MS-PS2-3

What do magnets stick to?

• copper
• wood
• iron
• plastic

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetism is a type of ____________

• force
• book
• plant
• animal

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When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

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