Unit 3 Test Corrections
Authored by Jennifer Yellin
Science
6th Grade
NGSS covered
Used 2+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A box is resting on a flat surface. A person pushes the box to the right, but it moves slowly due to resistance. Complete the statements with the correct forces acting on the box. The force that pulls the box downward is called ________.
gravity
friction
tension
normal force
Tags
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The force applied by the person pushing the box to the right is called ________.
applied force
gravitational force
frictional force
normal force
Tags
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A stack of books is resting on a table. Choose the correct answer from each drop-down to complete the statement. The books lying on the table exert a ________ force on the table, while the table is exerting an ________ reaction force on the book.
gravitational; normal
normal; gravitational
frictional; magnetic
magnetic; frictional
Tags
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Action forces and reaction forces always occur together. Which of the following is an example of an action-reaction force pair?
A swimmer pushes the water backward and the water flows over the swimmer.
A bird flies by moving their wings and the feathers move in the wind.
The tires on a car push against the road and the road pushes back on the tires.
A person is pushing on a rock and the rock does not move.
Tags
NGSS.MS-PS2-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Action and reaction forces refer to two forces that are equal in magnitude but opposite in direction. Describe the forces below as an action or reaction force. Select ONE correct answer in each row.
Action Force
Reaction Force
Tags
NGSS.MS-PS2-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Action and reaction forces refer to two forces that are equal in magnitude but opposite in direction. Describe the forces below as an action or reaction force. Select ONE correct answer in each row.
Action Force
Reaction Force
Tags
NGSS.MS-PS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it more difficult to push a heavy box across a carpeted floor compared to a smooth surface?
Because the carpet increases friction.
Because the carpet decreases friction.
Because the carpet is softer.
Because the carpet is harder.
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