Magnetism and Electricity

Which of these forces works only by combining electric and magnetic forces?

• Magnetic

• Electric

• Electromagnetism

In a magnet the opposite poles will ___________.

• attract

• repel

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NGSS.MS-PS2-3

The magnetic field of a magnet is ____________ further away from the magnet.

• stronger

• weaker

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NGSS.MS-PS2-3

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What makes an electromagnet stronger?

• greater number of loops

• smaller number of loops

• decreasing the current

• decreasing the voltage

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NGSS.MS-PS2-3

An example of an electromagnet

• water bottle

• paper

• motor

• glass

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

current flowing through a wire is surrounded by a/an

• force field

• magnetic force

• nothing

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this force is the attractive and repulsive force between two poles.

• electric

• magnetic

• electromagnetic

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NGSS.MS-PS2-3

Which is a conductor?

• Glass
• Penny
• Rubber

An object that allows electricity to flow through it is a

• resistance
• insulator
• conductor
• cotton

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5