Electromagnetic Forces

Why did the compass needle change position when the circuit was closed?

• Electricity also runs through the compass.

• A magnetic field surrounds a wire

• The compass-needle change indicates the potential energy

• The magnetic poles of the D-cell reversed

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NGSS.MS-PS2-3

An electromagnet is...

• Metal that becomes a permanent magnet with electricity

• Metal that becomes a temporary magnet with electricity

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What goes through the core (rivet)

• Electricity

• Magnetism

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NGSS.HS-PS2-5

A coil that has a soft iron core and acts as a magnet when an electric current is in the coil is known as ___________________________.

• Generator

• Transformer

• Electromagnet

• Solenoid

The region around the charged particle or object where electric force is exerted on other charged particles or objects is...

• electric discharge

• electric field

• electricity

• magnetic field

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NGSS.MS-PS2-5

The buildup of electric charges on an object is...

• static electricity

• static discharge

• conductor

• electric field

The force between charged particles or objects is...

• electric field

• electric energy

• electric force

• electric current

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NGSS.MS-PS2-5

The force of attraction or repulsion of magnetic materials is...

• electricity

• magnetism

• magnetic force

• magnetic field

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NGSS.MS-PS2-5

A force produced when magnetic poles interact is called the...

• magnetic current

• magnetic force

• magnetic field

• magnetism

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NGSS.MS-PS2-5

Which of the following is a fundamental force that acts between charged particles?

• Gravitational Force

• Electromagnetic Force

• Nuclear Force

• Frictional Force

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NGSS.MS-PS2-5