NGSS.MS-PS2-3

Magnetism created by an electric current

• electricity
• electromagnetism
• wind energy

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NGSS.MS-PS2-3

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

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Which objects are attracted to magnetics?

• Metals such as iron
• Wood
• Plastics
• Paper

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NGSS.MS-PS2-3

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

• +,+
• +,-
• -,+
• -,-

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NGSS.MS-PS2-3

Magnetic lines of force from Earth's polar north and south; they act like a giant magnet- known as...

• the magnetosphere

• Earth's Magnetic Field

• the Magna Doodle

• the magnetic poles

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In order for the electromagnet above to lose its magnetism, which of the following must occur?

• The wire of the circuit must be tightened.

• The battery in the circuit must be switched for a different brand.

• The electric current must stop flowing in the circuit.

• No circuit is present.

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Which electromagnet will have the stronger magnetic force?

• The electromagnet on the left

• The electromagnet on the right

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During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –

• positive

• negative

• neutral

• none of these

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Where is the magnetic field the strongest around a bar magnet?

• far away from the magnet

• at the side of the magnet

• at the poles

• above the magnet

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If two magnets are close together, the magnetic force will be ________.

• smelly

• weak

• strong

• positive

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NGSS.MS-PS2-3