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Worksheets2020-21 LMS 6th Science Unit 3 Review
Total questions: 60
Worksheet time: 52mins
Name
Class
Date
1.
True or False: The arrow has mostly potential energy.
a)
True
b)
False
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
Energy can be classified into two main categories, kinetic energy and potential energy. Kinetic energy is when an object is:
a)
standing still
b)
actively doing something
c)
changing states of matter
d)
objects do not have kinetic energy
4.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
5.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
6.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
7.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
8.
When you compress a spring, you are storing __________ energy.
a)
sound
b)
elastic
c)
light
d)
chemical
9.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
10.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
11.
A slinky moving down a set of stairs
a)
Potential Energy
b)
Kinetic Energy
12.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
13.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
14.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
15.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
16.
These forces are...
a)
Balanced
b)
Unbalanced
17.
These forces are...
a)
Balanced
b)
Unbalanced
18.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
19.
What is true about this image?
a)
It shows unbalance forces.
b)
It shows balanced forces.
c)
The people on the right are winning.
d)
The people on the left are winning.
20.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter
d)
A rocket taking off
21.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun
d)
A baseball that has been thrown to home plate.
22.
A lamp sitting on a table.
a)
Balanced Force
b)
Unbalanced Force
23.
A car accelerating around a mountain curve.
a)
Balanced Force
b)
Unbalanced Force
24.
A book sitting on a shelf.
a)
Balanced Force
b)
Unbalanced Force
25.
A gymnast on a balance beam doing a back flip.
a)
Balanced Force
b)
Unbalanced Force
26.
A rocket lifting off the launch pad.
a)
Balanced Force
b)
Unbalanced Force
27.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
28.
Speed in a given direction is the definition of ____.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
29.
A car traveling 300 miles in 5 hours is an example of _____.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
30.
Distance over Time is the definition of ___.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
31.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
32.
What do you need to know about an object to calculate its velocity?
a)
Speed and time
b)
Speed and direction
c)
Speed and velocity
d)
Time and direction
33.
Which of these objects is NOT accelerating?
a)
A plane slowing down to land
b)
A rocket taking off into space
c)
A hiker moving at the same speed for hours
d)
A rollerblader heading downhill
34.
Describe the speed of the rocket in the speed vs. time graph.
a)
Constant speed
b)
Decreasing speed
c)
Increasing speed
d)
Not moving
35.
Describe the speed of the object from 4-6 seconds using the distance vs. time graph.
a)
Increasing speed
b)
Decreasing speed
c)
Not moving
d)
Constant speed
36.
Describe the speed of the object from
2-5 seconds using the speed vs. time graph.
2-5 seconds using the speed vs. time graph.
a)
Increasing speed
b)
Not moving
c)
Decreasing speed
d)
Constant speed
37.
Describe the speed of the object from
5-6 seconds using the speed vs. time graph
5-6 seconds using the speed vs. time graph
a)
Speeding up
b)
Slowing down
c)
Not moving
d)
Constant speed
38.
The tornado is traveling northwest at 20 mph.
a)
speed
b)
velocity
c)
acceleration
39.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
40.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
41.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
42.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
43.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
44.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
45.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
46.
The inclined plane makes work easier by _____ the amount of effort that must be applied to raise or lower a load.
a)
increasing
b)
accelerating
c)
reducing
d)
softening
47.
Using a force to move an object a distance is...
a)
Force
b)
Effort
c)
Load
d)
Work
48.
A push or pull = Force
a)
True
b)
False
49.
The longer the inclined plane, the ___________________ to move the object
a)
the less input force you need
b)
the more input force you need
c)
the more output force you need
d)
the less output force you need
50.
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.
51.
An inclined plane reduces the amount of force needed to move an object by -
a)
increasing the distance the object moves.
b)
transferring more of the force to the object
c)
reversing the direction the object is moved.
52.
The unit for force is _____.
a)
A. Neutrons
b)
B. Newtons
c)
C. Tons
d)
D. Inches
53.
Which has the longer distance - straight lift from the ground directly to the back of truck or using an inclined plane?
a)
Straight lift
b)
Inclined plane
c)
They are the same
54.
What does an inclined plane look like from the side?
a)
square
b)
rectangle
c)
triangle
d)
circle
55.
Out of these which one is an inclined plane, that can make work most easier?
a)
1
b)
2
c)
both
d)
none
56.
Whats an inclined plane?
a)
a sloping ramp up which heavy loads can be raised
b)
a round machine used for traveling
c)
a ramp that launches planes
57.
The greatest amount of force is required to move the metal block up which inclined plane?
a)
A
b)
B
c)
C
d)
D
58.
Which of the following will require the least force to move the load up the inclined plane?
a)
b)
c)
d)
59.
A change in an object's position, direction or location
a)
Position
b)
Force
c)
Motion
d)
Inertia
60.
What is the speed formula?
a)
d = s*t
b)
s= time/distance
c)
d= speed/time
d)
s = distance/time
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