WorksheetsScience 8 Unit D Sec 1.0 Quiz
Total questions: 65
Worksheet time: 2hrs 45mins
Name
Class
Date
1.
What type of simple machine are these people using to move the wheel chair into the school bus?
a)
lever
b)
wedge
c)
inclined plane
d)
pulley
2.
A wheelbarrow is an example of
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Fourth Class Lever
3.
In a first class lever, the _____ is in the middle.
a)
Effort
b)
Fulcrum
c)
Load
d)
Machine
4.
In a second class lever, the ______ is in the middle.
a)
Effort
b)
Fulcrum
c)
Load
d)
Machine
5.
In third class levers, the ______ is in the middle.
a)
Effort
b)
Fulcrum
c)
Load
6.
The flag pole mechanism is an example of which simple machine?
a)
Inclined Plane
b)
Lever
c)
Wedge
d)
Pulley
7.
Which of the following does a simple machine NOT do?
a)
Increase the force applied
b)
Increase the distance the force is applied over
c)
Change the direction the force is applied
d)
Change the amount of work that needs to be done
8.
A simple machine used to push two objects apart.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
9.
A door stop is an example of a
a)
Screw
b)
Wedge
c)
Lever
d)
Inclined Plane
10.
Which choice is an example of a lever?
a)
Axe
b)
Seesaw
c)
Bottle Cap
d)
Tunnel
11.
Which choice is an example of a pulley?
a)
Axe
b)
Seesaw
c)
Crane
d)
Tunnel
12.
Which choice is an example of an inclined plane?
a)
A ramp
b)
Seesaw
c)
Bottle Cap
d)
Ferris Wheel
13.
The fixed point on the lever is called
a)
load
b)
resistance
c)
bar
d)
fulcrum
14.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
15.
An example of a system is...
a)
pedals
b)
brakes
c)
bicycle
d)
chain
16.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
17.
2. The place where a lever pivots is called the _______.
a)
Pivot point
b)
Tissue
c)
Fulcrum
18.
1. A _________is a simple machine with a fulcrum and a rigid bar.
a)
Pivot
b)
Lever
c)
Wedge
19.
6. What kind of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
20.
9. Which type of lever would be in this image?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
21.
a)
Fulcrum
b)
Effort
c)
Load
d)
None of these
22.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
23.
An example of a lever is a ...
a)
pulley
b)
bicycle
c)
scissors
d)
screw
24.
If the fulcrum is closer to the effort, it will take
a)
more force to lift the load
b)
less force to lift the load
c)
equal force to the lift the load
d)
no force to life the load
25.
Which simple machine is an inclined plane wrapped around a cylinder?
a)
wedge
b)
screw
c)
wheel and axle
d)
lever
26.
A good example of a second class lever is the ...
a)
Can-opener
b)
Wheelbarrow
c)
hammer
d)
tongs
27.
Third class levers are said to be speed multipliers.
examples of third class levers include all of the below except .....
examples of third class levers include all of the below except .....
a)
a door handle
b)
baseball bat
c)
tennis rachet
d)
golf club
28.
Simple machines (crow bar, ramp, axe, screw, crane) do which of the following?
a)
Reduce the mass of an object that needs to be moved
b)
Reduce the distance an object needs to be moved
c)
Reduce the amount of time needed to move an object over a distance
d)
Reduce the force needed to move an object over a distance
29.
What type of simple machines does the photo show?
a)
Lever and wedge
b)
Inclined Plane and lever
c)
Pulley and wedge
d)
Lever and screw
30.
What type of simple machine does the photo show?
a)
Inclined plane
b)
Lever
c)
Screw
d)
Pulley
31.
What type of simple machine does the photo show?
a)
Lever
b)
Inclined plane
c)
Wedge
d)
Screw
32.
When you rub two surfaces together it's called
a)
speed
b)
friction
c)
effort
d)
joules
33.
Effort is
a)
An inclined plane wrapped around a rod
b)
A unit used for measuring force
c)
How far an object moves in a certain amount of time
d)
The force applied to a simple machine
34.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
35.
The device used to raise a flag up a flag pole is an example of a
a)
wheel and axle
b)
lever
c)
inclined plane
d)
pulley
36.
An axe is an example of ...
a)
pulley and wheel and axle
b)
inclined plane and wedge
c)
screw and lever
d)
wedge and lever
37.
What do you call a machine made up of two or more simple machines?
a)
complicated machine
b)
compound or complex machine
c)
comprehensive machine
d)
constructive machine
38.
What do you call a machine made up of two or more simple machines?
a)
complicated machine
b)
compound or complex machine
c)
comprehensive machine
d)
constructive machine
39.
Stairs is an example of ...
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
40.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
41.
How can you decrease the effort force needed to push a weight to the top of the ramp?
a)
cover the surface with carpet
b)
increase the length of the ramp
c)
increase the height of the ramp
d)
decrease the length of the ramp
42.
What is the effect of the pulley shown in the picture?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
43.
What is the primary advantage of using the simple machine seen in the image?
a)
You can apply a large force and have it penetrate over a very long distance.
b)
You can apply a long distance and have it convert into a very short distance.
c)
You can apply a short distance and have it multiplied to penetrate a large distance.
d)
You can apply a small force to penetrate something that normally requires a large force.
44.
What type of simple machine is this?
a)
wheel & axle and screw
b)
wedge and inclined plane
c)
inclined plane and wheel & axle
d)
wheel & axle and wedge
45.
How does a lever make lifting objects easier?
a)
The amount of force needed is doubled
b)
the amount of force needed is increased
c)
the amount of force needed is reduced
d)
the amount of force needed stays the same
46.
Where should the fulcrum be placed in order for the student to use the least amount of effort possible?
a)
point A
b)
point B
c)
point C
d)
point D
47.
What is a disadvantage of using an inclined plane to lift a heavy object?
a)
The object must be moved a greater distance.
b)
It takes less effort to move the object.
c)
Many objects are difficult to lift straight up.
d)
Heavy object usually take up more space.
48.
An example of a subsystem is ...
a)
bicycle
b)
car
c)
brakes
d)
truck
49.
An example of a complex machine is...
a)
retractable pen
b)
knife
c)
shovel
d)
wheel and axle
50.
If the small gear is driving the large gear, the gear system is ...
a)
reducing
b)
multiplying
c)
both reducing and multiplying
d)
Not enough information
51.
When a driving gear is larger than a driven gear the output is.....
a)
More Speed
b)
More Torque
c)
Less Speed
d)
Change in angle
52.
When a driving gear is smaller than the driven gear the result is....
a)
multiplying
b)
reducing
c)
same direction
d)
faster speed
53.
WHAT IS A GEAR?
a)
WHEEL
b)
TOOTHED WHEEL
54.
A SERIES OF GEARS CONNECTED TOGETHER IS CALLED ...
a)
WAGON
b)
TRAIN
c)
SHIP
d)
COMBINATION
55.
An advantage of using a chain linkage instead of a belt is ...
a)
flexibility
b)
less slippage
c)
lightweight
d)
can move more easilyt
56.
The picture shows ...
a)
a belt
b)
a transmission
c)
a chain
d)
a loop
57.
A machine is a device that helps humans do work.
a)
true
b)
false
58.
The sakia meets the human need for:
a)
food
b)
water
c)
oxygen
d)
suitable living conditions
59.
Which of the following uses a lever to meet the human need for food?
a)
plow
b)
mill wheel
c)
nutcracker
d)
aqueduct
60.
The Davinci arm must be used by the surgeon directly beside the patient.
a)
true
b)
false
61.
The Davinci arm is used...
a)
in hospitals
b)
on farms
c)
in gardens
d)
in transportation
62.
The mill wheel meets the human need for ...
a)
food
b)
oxygen
c)
water
d)
suitable living conditions
63.
A forcemeter measures force in ...
a)
Joules
b)
Pounds
c)
Newtons
d)
Degrees
64.
A second class lever gives a greater force advantage than a third class lever.
a)
true
b)
false
65.
250 g = ______ N
a)
2.5
b)
25
c)
250
d)
2500
100 %
