
Physical Science-Simple Machines
Authored by Beverly Isenberg
Physics
8th Grade
NGSS covered
Used 21+ times

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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An arrangement of fixed and movable pulleys is called a:
gear
wheel and axle
bock and tackle
pulley system
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An inclined plane wrapped around a cylindrical post is a:
screw
wedge
wheel and axle
block and tackle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bar that is free to move about a fixed point is called a:
wedge
ramp
lever
pulley
4.
MATCH QUESTION
1 min • 4 pts
mechanical advantage
A comparison of the work output to the work input of a machine
resistance force
The amount by which a machine makes work easier
effort force
The force applied to a machine
efficiency
The force applied by a machine
5.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
A machine makes work easier by:
changing the direction of the applied force
changing the size of the applied force
changing the distance over which the force is applied
increasing the work being done
6.
DRAG AND DROP QUESTION
1 min • 3 pts
In a first class lever the (a) is in the middle.
In a second class lever the (b) is in the middle.
In a third class lever the (c) is in the middle.
7.
MATCH QUESTION
1 min • 5 pts
Identify the following simple machines
wheel and axle
a chain or rope that runs through a grooved wheel
lever
an object with one or two sloping sides that is used to move objects apart
pulley
a bar that is able to pivot around a fixed point
inclined plane
a slanted surface used to raise an object
wedge
one rounded object that turns another smaller rounded object
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