Fields of Force and Potential Energy 2020

Quiz
•
Science
•
7th - 9th Grade
•
Medium
+3
Standards-aligned
Rachel Thomas
Used 120+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Magnets A and B are of equal magnetic strength. In which position will magnets A and B have the least attractive force toward one another.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Magnets A and B are of equal magnetic strength. In which position will magnets A and B have the greatest force of repulsion away from one another.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The picture shows how to make an electromagnet. Which of the following would make the electromagnet stronger?
Wrapping the wire around a nonmetallic object
Using a longer wire from the battery to the nail
Wrapping the wire around the nail more times
Making the loops of wire less tightly coiled
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A scientist runs an electric current along a wire. A magnetic compass is placed near the wire. The scientist observes that whenever the current is turned on, the compass needle moves. Why does the compass needle move?
The current creates an electric field around the wire.
The current creates a magnetic field around the wire.
The current adds electric charge to the compass needle.
The current increases the force of gravity on the compass needle
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A teacher demonstrates a chemical reaction of a hand warmer. Hand warmers are used by people to warm their hands in cold weather. When opened, the iron in the warmer reacts with the air, producing heat and a reddish-brown substance.Select all statements that apply to the hand warmer reaction.
The reactants and products have equal potential energy.
The products have more potential energy than the reactants.
The reactants have more potential energy than the products.
Heat is released to the surroundings.
Heat is absorbed from the surroundings
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram below shows a boulder rolling down a hill into a valley and then up the opposite hill. At which position does the boulder have the least gravitational potential energy?
A
B
C
D
Tags
NGSS.MS-PS3-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Students examine a spring (A)at rest, and then hang different masses from the spring (B & C). How much elastic potential energy does Spring A have compared to the others?
Zero Elastic Potential Energy
More Elastic Potential Energy than both B and C
More Elastic Potential Energy than B and less than C
Less Elastic Potential Energy than both B and C, but it does have some elastic potential energy.
Tags
NGSS.MS-PS3-2
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