24-25 Magnets & Electricity (non-contact forces) Test Review
Authored by Renay Treat
Science
9th Grade
NGSS covered
Used 6+ times
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21 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Examine the apparatus shown in the illustration below containing two circular magnets. Notice that magnet A is levitating above magnet B due to magnetic force. Which of the following statements correctly describes what is happening in this diagram?
A. The bottom of magnet A is a north pole, and the bottom of magnet B is also a north pole.
B. Neither of these circular magnets have poles. This explains why magnet A is levitating.
C. The polarity at the top of magnet B is the same as the polarity at the bottom of magnet A.
Tags
NGSS.MS-PS2-5
NGSS.MS-PS2-3
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Select the items that ALWAYS have an electric charge.
Atoms
Neutrons
Conductors
Electrons
Protons
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following actions can produce an electric current in a loop of wire?
spinning the wire near a battery
placing a resistor at the end of the wire
heating a switch and placing it on the wire
moving a magnet up and down in a coil of wire
Tags
NGSS.HS-PS2-5
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these electromagnets would be able to lift more paper clips and why?
Example W would lift more, because it has three batteries.
Example X would lift more, because it has more coils around the iron core.
Example W would lift more, because it has less coils around the iron core.
Tags
NGSS.MS-PS2-5
NGSS.MS-ETS1-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the images below shows electrical current being induced?
Image A
Image B
Image C
Tags
NGSS.HS-PS2-5
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following two statements about electromagnetism are correct?
A) A changing magnetic field can induce electric current.
B) An electric current can produce and magnetic field.
C) Electromagnetism has not been used in any practical way.
D) It is possible to make a magnet that has only a single, positive pole.
E) Electromagnetic induction was discovered in 2011.
Tags
NGSS.MS-PS2-5
NGSS.MS-PS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Examine the first image and determine if it is showing magnetic attraction or magnetic repulsion.
Repel
Attract
Tags
NGSS.MS-PS2-5
NGSS.MS-PS2-3
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