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