𝐄𝐥𝐞𝐜𝐭𝐫𝐢𝐜𝐢𝐭𝐲 & 𝐌𝐚𝐠𝐧𝐞𝐭𝐢𝐬𝐦: Electromagnets
Authored by Zach Amis
Physics, Science
8th Grade
NGSS covered
Used 69+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase the strength of her electromagnet?
Coil the wire around a paper towel roll.
Coil the wire around a nail.
Coil the wire around a test tube.
Coil the wire around a toothbrush.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would decrease the strength of this electromagnet?
removing its iron core
increasing the number of wire loops in the coil
adding batteries to the circuit
increasing the current through the coil
Tags
NGSS.MS-PS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a way to increase the strength of an electromagnet?
Increase the amount of electricity running through the coil.
Increase the temperature of the air around it.
Replace the iron core with a plastic core.
Increase the temperature of the iron core.
Tags
NGSS.MS-PS2-3
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The electromagnet picked up the entire pile of paper clips as soon as it's turned on. Which of the following might allow the electromagnet to pick up one paper clip at a time?
increasing the number of batteries supplying voltage to the electromagnet
increasing the distance between the electromagnet and the paper clips
increasing the number of loops in the electromagnet's coil
removing the iron nail from the core of the electromagnet
Tags
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An electromagnet could be found in which of the following objects?
Tags
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Frank wants to make a simple electromagnet. Which of these does Frank need to have to create the electromagnet?
magnet
battery
iron filings
light bulb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False:
The strength of an electromagnet can be altered by increasing the number of coils around the core.
True
False
Tags
NGSS.MS-PS2-3
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