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Physics Test Part 3
Test Description: 7th grade physics test
Instructions: Answer all questions to get your test result.
1) _____________________ is the force that causes Earth to orbit the Sun.
A
Force
B
Weight
C
Velocity
D
Gravity
2) Does friction speed up an object or slow it down? _______________________
A
Slow Down
B
Speed Up
3) Where is a person’s center of mass?
A
chest and stomach
B
head
C
legs
D
hips and butt
4) A ___________________ is an example of a compound machine.
A
wheel and axle
B
lawnmower
C
baseball bat
D
shovel
5) A _______________________ is NOT a simple machine.
A
tooth
B
teeter totter
C
shovel
D
wrench
6) The pivot point of a lever is called a _________________.
A
fulcrum
B
wheel and axle
C
wedge
D
screw
7) Name the 6 simple machines.
A
wedge, lever, wheel and axle, screw, inclined plane, pulley
B
pivot, lever, wheel and axle, screw, inclined plane, pulley
C
wedge, lever, gear, screw, inclined plane, fulcrum
D
wedge, fulcrum, wheel and axle, inclined plane, pulley
8) A(n) _______________ is a moving inclined plane.
A
staircase
B
wedge
C
elevator
D
teeter totter
9) A knife is a ___________________.
A
Screw
B
Lever
C
Wedge
D
Wheel and Axle
10) A door knob is a ___________________.
A
Wheel and axle
B
wedge
C
Inclined Plane
D
lever
*select an answer for all questions
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