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