S8P10c ELECTROMAGNETS

Electric currents produce _____________

• electron clouds

• magnetic fields

• sound waves

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

In a battery, electrons collect at the __________________ end of the battery.

• positive

• middle

• negative

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NGSS.MS-PS2-5

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

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NGSS.MS-ETS1-2

NGSS.MS-PS2-3

Which superpower would you want? (Can't miss this one)

• flying

• super vision

• super strength

• oppossum powers

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

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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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NGSS.MS-PS2-3

NGSS.MS-PS2-5

In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

• wire, iron, electric
• electric, wire, iron
• iron, electric, wire
• excited, hair, apple

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NGSS.MS-PS2-3

You can only choose one (you can't miss this question):

• cheese

• puppies

• candy corn

• pizza

You are making an electromagnet and can choose from a copper, iron or steel rivet.  Which sentence is true?

• You can use all of them because they are all made of metal
• You can use either iron or steel.
• You can only use the iron rivet.
• You can only use the copper rivet.

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NGSS.MS-PS2-3

Samuel Morse, the inventor of the telegraph had a problem.  How can he increase the strength of the electromagnet in his telegraph?

• use thinner wire
• add more d-cells
• add a switch
• wind fewer wraps of wire around core

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NGSS.MS-PS2-3