Electromagnets, Motors, and Generators

In a magnet the opposite poles will ___________.

• attract

• repel

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NGSS.MS-PS2-3

current flowing through a wire is surrounded by a/an

• force field

• magnetic force

• nothing

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Surrounding every magnet is a __________  __________.

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

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What two forces are required for generators and electric motors to work? 

• magnetism and thermal 
• electricity and thermal 
• electricity and magnetism 
• magnetism and radiant 

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

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NGSS.MS-PS1-1

What can you use to make an electromagnet?

• Battery, nail and string 
• Battery, pencil and wire
• Wire, battery and iron ore (nail)
• Peanut butter, lampshade, hand sanitizer

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  

• Electromagnet 
• Generator
• Electron Magnet 
• Motor

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NGSS.MS-PS2-3

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field?

• electromagnet
• generator
• magnet
• electric motor

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5