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Magnets & Electromagnets

Authored by Amanda Keehr

Other, Other Sciences

7th - 8th Grade

Used 42+ times

Magnets & Electromagnets
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67 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Passing a current through a piece of wire causes a magnetic field to form around the wire.

True
False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnetic fields are created by moving _______.

Atoms
Protons
Electric Charges
Metals

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for an object to become magnetic, its electrons must ______.

Move in random order
Line up or face opposite directions
Go to opposite sides of the object
Line up or face the same direction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The magnetic field of an electromagnet ______.

Can be turned on and off.
Is permanent.
Lasts for only one hour.
Lasts for one day.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electricity is the flow of ____________.

Protons
Neutrons
Electrons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a bar magnet is broken in half, what is the result?

Two north poles
Two south poles
Two north poles and two south poles
The bar loses its magnetic properties

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A magnet's magnetic field exists ________.

Only on the north pole
Only on the south pole
On both poles
Around the entire magnet

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