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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
pulleys
B
levers
C
screws
D
inclined planes
2) A pulley is a --- with a groove that can hold a rope.
A
screw
B
wheel
C
lever
D
axle
3) An object that makes work easier is called a ---
A
fulcrum
B
load
C
machine
D
motion
4) The weight of the object being moved is called the ---
A
effort
B
friction
C
gravity
D
load
5) A change in position is called---
A
load
B
effort
C
friction
D
motion
6) A greater mass requires ---force to move it.
A
a greater
B
less
C
the same
D
none of the above
7) The force that resists the movement of objects against each other is called---
A
gravitiy
B
effort
C
friction
D
load
8) The force that pulls objects toward the earth is called---
A
friction
B
gravity
C
effort
D
load
9) A force moving an object over a distance is called---
A
gravity
B
work
C
effort
D
friction
10) The amount of work you do depends on how much ---you use to move an object.
A
energy
B
motion
C
gravity
D
force
11) The force applied to cause a simple machine to do work is called---
A
motion
B
effort
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
less
B
more
C
equal
D
no
13) A lever is --- that turns on a point.
A
none of the above
B
a bar
C
a thread
D
an axle
14) The inclined plane on a screw is called ---
A
the fulcrum
B
the thread
C
the axle
D
a wedge
15) An inclined plane wrapped around an axle is called a---
A
lever
B
wheel and axle
C
pulley
D
screw
16) The point on which a lever turns is called a---
A
thread
B
fulcrum
C
axle
D
none of the above
17) A flat, sloped surface is --
A
a wheel and axle
B
a pulley
C
an inclined plane
D
a lever
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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