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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
Velocity
B
Gravity
C
Weight
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
hips and butt
B
head
C
legs
D
chest and stomach
4) A ___________________ is an example of a compound machine.
A
baseball bat
B
wheel and axle
C
lawnmower
D
shovel
5) A _______________________ is NOT a simple machine.
A
teeter totter
B
wrench
C
shovel
D
tooth
6) The pivot point of a lever is called a _________________.
A
wedge
B
screw
C
fulcrum
D
wheel and axle
7) Name the 6 simple machines.
A
pivot, lever, wheel and axle, screw, inclined plane, pulley
B
wedge, lever, wheel and axle, screw, inclined plane, pulley
C
wedge, fulcrum, wheel and axle, inclined plane, pulley
D
wedge, lever, gear, screw, inclined plane, fulcrum
8) A(n) _______________ is a moving inclined plane.
A
teeter totter
B
staircase
C
elevator
D
wedge
9) A knife is a ___________________.
A
Wedge
B
Screw
C
Wheel and Axle
D
Lever
10) A door knob is a ___________________.
A
lever
B
wedge
C
Wheel and axle
D
Inclined Plane
*select an answer for all questions
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