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Simple Machines
Test Description: Simple Machines
Instructions: Answer all questions to get your test result.
1) What is a simple machine?
A
A machine that has lots of moving parts.
B
none of the above
C
A machine that has few or no moving parts.
D
Both A and B
2) How are force, distance, and work related?
A
the bigger the distance, the more the force to move it = less work
B
the less the distance, the more the force to move it = less work
C
the bigger the distance, the less the force to move it = more work
D
the bigger the distance, the greater the force to move it = more work
3) How do we use a wedge?
A
to reduce the force needed to move something
B
to split things apart
C
to hold things together
D
to raise or lower heavy objects
4) How do we use a pulley?
A
to lift heavy objects
B
to reduce friction to make it easier to move
C
to hold two things together
D
to split things apart
5) What is a complex machine?
A
a machine that has wheels
B
a machine that combines several simple machines and makes dangerous work even more dangerous
C
a machine that combines several simple machines and makes dangerous work/tasks easier
D
a machine that has lots of wires
6) How do we use a screw?
A
to reduce friction and make it easier to move something
B
to reduce the force needed to move something
C
to split something apart
D
to hold things together
7) Whenever you push, pull, turn, or lift an object, you use ----.
A
force
B
work
C
distance
D
oxygen
8) What is a machine?
A
something that uses energy to work
B
something that uses gas to go
C
nothing
D
something that uses fuel
9) What is needed to make something move?
A
distance
B
friction
C
force
D
nails
10) An ax and a knife are examples of ------.
A
screws
B
wedges
C
gears
D
wheels and axles
11) What is the main reason people use machines?
A
Machines make work harder and longer.
B
Machines make work easier and longer.
C
Machines make work easier and faster.
D
Machines make work harder and faster.
12) How do we use inclined planes?
A
to raise or lower heavy objects
B
to lift heavy things
C
to split things apart
D
to reduce the force needed to move something
13) How do we use a wheel and axle?
A
to lift heavy things
B
to split things apart
C
to reduce friction and make it easier to move something
D
to hold two things together
14) What kind of a simple machine is a wheelchair ramp?
A
pulley
B
screw
C
fulcrum
D
inclined plane
15) A see saw is an example of a ---.
A
screw
B
gear
C
lever
D
pulley
16) Which two things determine how much work it takes to do something?
A
force and distance
B
energy and distance
C
friction and force
D
fulcrum and lever
17) What kind of a simple machine would you use to attach a basketball hoop onto a wooden building?
A
inclined plane
B
lever
C
wheel and axle
D
screw
18) What does a lever rest on a point called the ----.
A
inclined plane
B
fulcrum
C
pulley
D
pivot
19) How do we use a gear?
A
to lift heavy things
B
to split two things
C
to reduce the force needed to move something
D
to hold two things together
20) How do we use a lever?
A
to hold two things together
B
to lift heavy things
C
to reduce friction and make it easier to move somthing
D
to split to things apart
*select an answer for all questions
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