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