6th Grade Science Reviewer
Part 15 Force and Motion
Direction: Choose the letter with the best answer. Write your answer on
your answer sheet.
1. It is a push or pull on an object that can cause an object to accelerate, slow down, remain in
place, or change shape.
A. wedge
B. energy
C. force *
D. strength
2. It is the ability to do work.
A. force
B. calorie
C. energy *
D. strength
3. The resistance to motion of one object moving relative to another is called __________.
A. magnet
B. gravity
C. energy
D. friction *
4. An invisible force that pulls objects toward each other is called __________.
A. gravity *
B. friction
C. force
D. magnet
5. It is produced from a vibrating body that travel through the air or
another medium as an
audible mechanical wave.
A. heat
B. radio
C. force
D. sound *
6. It is a form of energy that flows hot objects to cool objects.
A. heat *
B. sound
C. wind
D. electricity
7. It is a form of energy that travels in a straight line.
A. light *
B. wind
C. sound
D. heat
8. A _______ is a triangular shaped tool, and is a portable inclined plane, and one of the six simple
machines.
A. wedge *
B. pulley
C. screw
D. lever
9. It is a simple machine that has a long and thin metal shaft with threads spiraling along its length.
A. screw *
B. lever
C. pulley
D. wedge
10. What simple machine is made by looping a rope over one or more wheels?
A. inclined plane
B. wedge
C. lever
D. pulley *
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