Electromagnetism

As electrons move, they make

• A. electromagnetism.
• B. auroras.
• C. ferromagnetism.
• D. magnetic fields.

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A device that converts electrical energy into mechanical energy

• A. electromagnet
• B. electromagnetic induction
• C. electric motor
• D. electromagnetism

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A device that converts mechanical energy into electrical energy

• A. electric generator
• B. electric motor
• C. electromagnetic induction
• D. electric generator

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What kind of magnet can be turned on and off?

• refrigerator magnet
• electromagnet
• magnetite
• iron

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If you wrap more coils around an electromagnet, it will become 

• brighter
• stronger
• weaker
• invisible

What is the flow of electricity?

• electric motor
• Electric current
• Electric eel
• electric circuit

What is inside a toy car that turns the wheels?

• generator
• electric motor
• electromagnet

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What is true about electricity and magnetic fields?

• Electricity is needed to create any magnet.
• Electricity always creates a magnetic field.
• Electricity is stronger than a magnetic field.
• Electricity prevents magnetic fields from occurring.

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The picture above is an example of what?

• Magnetic field

• Electric field

• Repulsion

• Attraction

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What would happen with the magnets in the picture above?

• They would repel

• Nothing

• They would attract

• They would repel and then attract

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