Magnetism & Electricity Quiz

Do magnets always attract each other?

• Yes, always

• No, sometimes they repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is needed to create an electric current?

• A magnet and a coil of wire

• Just a piece of iron

• Only a battery

• A magnet only

What does a compass needle align with?

• The nearest magnet

• The strongest electric field

• Earth's magnetic field

• The equator

What happens when you switch on a light?

• A magnetic field is created

• An electric current flows through the bulb

• The bulb absorbs electricity

• A magnetic field disappears

What is the Earth's magnetic field similar to?

• A giant bar magnet

• A huge electric circuit

• A large solar panel

• A big battery

What is the role of the battery in a circuit?

• To slow down the current

• To provide a path for the current

• To generate electricity

• To store the electric current

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NGSS.MS-PS3-5

What is a simple way to weaken a magnet?

• Heat it up

• Put it in water

• Freeze it

• Paint it

What happens to the magnetic field if you increase the current in a wire?

• It disappears

• It becomes weaker

• It stays the same

• It becomes stronger

Tags

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What is the main purpose of an electromagnet in a scrapyard?

• To weigh the scrap metal

• To attract and move metal objects

• To melt the scrap metal

• To repel non-metal objects

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can you make a simple electromagnet at home?

• Wrapping a wire around a plastic tube and connecting it to a battery

• Placing a magnet in the freezer

• Wrapping a wire around an iron nail and connecting it to a battery

• Rubbing a needle with silk