Electric and Magnetic Forces

Quiz
•
Science
•
6th - 8th Grade
•
Medium
+1
Standards-aligned
David Kang
Used 96+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the two below result in an attractive force?
A positive charge and a negative charge
Two negative charges
Two south poles
A north pole and a south pole
Two postive charges
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Static electricity is the buildup of charges between two objects. What best explains why a balloon is attracted to hair when the two have been rubbed together?
The balloon and hair both have positive charges
The balloon and the hair both have negative charges
The balloon and the hair both have neutral charges
The balloon and the hair both have opposite charges
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following most closely resembles an electromagnetic?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two bar magnets are held close together. They are released and allowed to move freely. The bar magnets quickly come together. Which best explains why this happens?
The poles facing one another are both south poles
The poles facing one another are both north poles
The poles facing one another are opposite poles
One magnet was bigger than the other
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Frederick sets paper clips out on a table. He then takes a magnet, places it directly beneath the paper clips under the table, and moves the magnet. He finds that the paper clips move with the magnet. Why does this happen?
Magnetic force is a repellant force
Magnetic forces act on wood, like in the table
The paper clips are feeling the gravitational force of the magnet
Magnetic forces act at a distance, even betwewn objects
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Surrounding each magnetic is an invisible force field called
Gravity
A magnetic field
An electric field
The Force
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an electromagnet, coils of wire are wrapped around a magnetic object to generate a magnetic field. What the is relationship between number of coils and the strength of the magnetic field?
The more coils an electromagnetic has, the stronger the magnetic field
The more coils an electromagntic has, the weaker the magnetic field
The larger the metal object, the stronger the magnetic field is
There is no relationship between number of coils and the strength of a magnetic field
Tags
NGSS.MS-PS2-3
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