Magnetism

Magnetism is generated by moving

• protons.
• electrons.
• neutrons.
• elements.

What do the lines around this magnet represent?

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

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A device that is able to reverse the direction of current in an electromagnet causing a motor to spin the opposite way is known as:

• a rotor
• a generator
• a magnet
• a commutator

Tags

NGSS.MS-PS2-5

If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract
• Repel
• Do nothing
• Shatter

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On Earth, where is Magnetic North approximately located?

• The Equator
• The North Pole
• The South Pole
• New Brighton

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

• Increases
• Decreases
• Stays the Same

Tags

NGSS.MS-PS2-3

If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A refrigerator magnet is an example of a:

• magnetic material
• permanent magnet
• horseshoe magnet
• temporary magnet

A paper clip is an example of a:

• magnetic material
• permanent magnet
• bar magnet
• insulator