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