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4th Grade Chapter 4 Science Test Simple Machines
Test Description: Review
Instructions: Answer all questions to get your test result.
1) A wedge is one or more ---used to force materials apart.
A
levers
B
inclined planes
C
pulleys
D
screws
2) A pulley is a --- with a groove that can hold a rope.
A
screw
B
axle
C
wheel
D
lever
3) An object that makes work easier is called a ---
A
motion
B
fulcrum
C
load
D
machine
4) The weight of the object being moved is called the ---
A
gravity
B
effort
C
friction
D
load
5) A change in position is called---
A
motion
B
friction
C
load
D
effort
6) A greater mass requires ---force to move it.
A
none of the above
B
less
C
a greater
D
the same
7) The force that resists the movement of objects against each other is called---
A
gravitiy
B
friction
C
load
D
effort
8) The force that pulls objects toward the earth is called---
A
load
B
effort
C
friction
D
gravity
9) A force moving an object over a distance is called---
A
effort
B
work
C
gravity
D
friction
10) The amount of work you do depends on how much ---you use to move an object.
A
gravity
B
motion
C
energy
D
force
11) The force applied to cause a simple machine to do work is called---
A
effort
B
motion
C
friction
D
energy
12) A block and tackle allows you to use --- force when lifing an object because the rope moves a greater distance.
A
equal
B
no
C
less
D
more
13) A lever is --- that turns on a point.
A
none of the above
B
an axle
C
a thread
D
a bar
14) The inclined plane on a screw is called ---
A
the fulcrum
B
a wedge
C
the axle
D
the thread
15) An inclined plane wrapped around an axle is called a---
A
lever
B
pulley
C
wheel and axle
D
screw
16) The point on which a lever turns is called a---
A
none of the above
B
fulcrum
C
thread
D
axle
17) A flat, sloped surface is --
A
a lever
B
a pulley
C
a wheel and axle
D
an inclined plane
18) The amount of effort needed on a lever is determined by the --- between the effort and fulcrum.
A
none of the above
B
force
C
load
D
distance
*select an answer for all questions
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