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Cheney Simple Machines
Test Description: Simple Machines
Instructions: Answer all questions to get your test result.
1) What is a force?
A
anything that helps you do work
B
no moving parts
C
a push or a pull
D
caused by friction
2) Work is-
A
a job
B
moving something from one place to another
C
a push or pull
D
something you get paid for
3) A machine is -
A
runs on gas and oil
B
anything not alive
C
anything that helps you do work
D
made of gears and wires
4) A slide is
A
lever
B
inclined plane
C
wedge
D
screw
5) A knife is -
A
an incline plane
B
wheel and axle
C
a wedge
D
a screw
6) A rope and a wheel make a
A
pulley
B
swing
C
wheel and axel
D
a screw
7) A see saw is a
A
wedge
B
inclined plane
C
lever
D
pulley
8) This tool pushes things apart.
A
lever
B
screw
C
pulley
D
wedge
9) This tool reduces friction by making it easier for things to roll around
A
inclined plane
B
pulley
C
wheel and axel
D
lever
10) A gear is
A
a wheel with teeth
B
an inclined plane
C
part of a pulley
D
a wheel with a rope
11) An inclined plane wrapped around a post
A
screw
B
inclined plane
C
pulley
D
wedge
12) A compound machine is
A
two or more simple machines working together
B
a machine with pulleys
C
no more than one machine doing the work
D
machines with movable parts
13) No machine is 100 percent efficient because some energy must be used to
A
overcome the speed of the machine
B
to turn the machine off
C
balance the weight of the machine
D
overcome friction
14) To be considered a machine a tool must do all but one of the following:
A
make the work easier
B
make the work go faster
C
change the direction of the force
D
eliminate the need for human control
15) This force makes work harder:
A
pulls
B
friction
C
pushes
D
gravity
16) These only eat plants
A
omnivores
B
herbivores
C
carnivores
D
decomposers
17) These eat only meat:
A
herbivores
B
carnivores
C
producers
D
omnivores
18) Only these can be producers:
A
manufacturing plants
B
cows
C
people
D
plants
19) Producers get energy to make food from :
A
water
B
plants
C
the moon
D
the sun
20) Which of the following is an example of a wedge?
A
wheelbarrow
B
bicycle
C
scissors
D
slide
*select an answer for all questions
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