Have an account?
Skip to Content
Build your own quiz
15 questions
Show Answers
See Preview
- 1. Multiple Choice
Sophia made an electromagnet but it was very weak. How can she make it stronger?
take away the battery
wrap the wire loosely
use less copper wire
coiled more copper wire
- 2. Multiple Choice
What component becomes a temporary magnet when electricity is flowing through the circuit?
iron nail
copper wire
battery
switch
- 3. Multiple Choice
What component provides the pathway to carry electricity from component to component?
battery
wire
switch
iron nail
- 4. Multiple Choice
Which component provides the energy or the power source to run the electromagnet?
Iron nail
wire
Switch
Battery
- 5. Multiple Choice
Princess made an electromagnet with one battery and wrapped a copper wire 30 times while Megan made and electromagnet with one battery and wrapped a copper wire 50 times. Which electromagnet is stronger?
Megan
Princess
- 6. Multiple Choice
What is an electromagnet?
a permanent magnet with a north and south pole
a temporary magnet made from current carrying wire around a magnetic metal core
- 7. Multiple Choice
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
Remove all the coils and the nail.
Use a smaller battery.
Reverse the poles of the magnet.
Add more coils of wire to the nail.
- 8. Multiple Choice
Which of the following is NOT part of an electromagnet?
Toothpick
battery
Iron nail
wire
- 9. Multiple Choice
How are electromagnets different from magnets?
magnets have a North and South pole
you can turn an electromagnet on/off
magnets are more powerful
- 10. Multiple Choice
Surrounding every magnet is a __________ __________.
another magnet
electrical current
magnetic field
- 11. Multiple Choice
What would increase the strength of an electromagnet?
Changing the direction of the current
Increased the amount of electricity that flows through the wire.
Inserting a wooden core inside the coil
Decreasing the number of coils of wire
- 12. Multiple Choice
You can make an electromagnet stronger by: having a __________________core inside the wire.
smaller core
larger core
greener core
water core
- 13. Multiple Choice
What is a permanent magnet?
Can be turned off
Can not be turned off
Can turned on and off
- 14. Multiple Choice
Why do you think the compass needle is moving when is near to electromagnet?
Because of the magnetic field generated in the wire.
Because of the electricity generated in the compass.
- 15. Multiple Choice
What are the components of the electromagnet?
copper wire, iron nail, and a wooden stick
copper wire, iron nail
copper wire, iron nail, and a battery
Copper wire, paper and a battery
- Answer choicesTagsAnswer choicesTags