Electromagnet Experiment Quiz

What materials are needed to create the electromagnet in the experiment?

• A battery, a nail, a string, and some electrical tape

• A battery, a screw, a wire, and some tape

• A magnet, a nail, a wire, and some glue

• A battery, a nail, a wire, and some electrical tape

How many paper clips did the nail wrapped 30 times pick up after being magnetized?

• Five

• Nine

• Ten

• Seven

Which number of wire wraps resulted in the electromagnet picking up the most paper clips?

• Forty-five wraps

• Thirty wraps

• Ten wraps

• Five wraps

What should you do after observing the number of paper clips picked up by each electromagnet?

• Change the battery

• Write the number in your student journal

• Remove the wire from the nail

• Throw away the nail

What is the main reason that more wire wraps around the nail increase the strength of the electromagnet?

• It changes the color of the wire

• It makes the nail longer

• It allows more electricity to flow through the wire

• It increases the weight of the nail