WorksheetsTest: Topic 2 - Energy
Total questions: 38
Worksheet time: 25mins
Name
Class
Date
1.
What is energy?
a)
a force
b)
the ability to cause change or do work on an object
c)
the ability to keep an object from moving
d)
temperature
2.
Work happens when ____________ is applied across a distance.
a)
heat
b)
a force
c)
a mass
d)
a Joule
3.
You can see energy.
a)
True
b)
False
4.
Energy we need for our bodies to function comes in the form of ______ energy which can then be converted to mechanical energy.
a)
electromagnetic
b)
sound
c)
light
d)
chemical
5.
In order for a car to run, what must happen?
a)
energy from the sun must be converted into sound energy
b)
energy from fuel must be converted into light energy
c)
energy from fuel must be converted into mechanical energy
d)
energy from electricity must be converted into chemical energy
6.
Renewable energy is energy that
a)
cannot be replaced
b)
renews itself at a rate equal to or faster than it is consumed
c)
provides more energy than fossil fuels
d)
can be turned into chemical energy
7.
Which of the following is using PE and turns it into KE generating Electricity?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
8.
What source of energy causes wind to blow around the Earth?
a)
A - Wind turbines
b)
B - The Sun
c)
C - The ocean
d)
D - A chicken
9.
Which of these sources turns light into electrical energy?
a)
A - ethanol plant
b)
B - light bulb
c)
C - corn
d)
D - solar panels
10.
Which energy pathway would result in the light bulb in the house being lit.
a)
Wind > Sun > Turbines > Light
b)
Sun > Corn > Ethanol Plant > Light
c)
Sun > Turbines > Corn > Light
d)
Dam > Water > Wind > Light
11.
Which of the following IS NOT a type of Kinetic Energy?
a)
Electrical
b)
Sound
c)
Elastic
d)
Thermal
12.
The heat given off by a fire is an example of ___________.
a)
a form of kinetic energy
b)
the release of chemical potential energy
c)
the release of sound energy
d)
a form of electrical energy
13.
Kinetic Energy is stored energy due to an object's position relative to a force.
a)
True
b)
False
14.
Which of the following has kinetic energy?
a)
a book resting on a table
b)
a dog chasing a ball in the yard
c)
a car at a stoplight
d)
a bird sitting on a branch
15.
You are bowling and realize that your ball is not hitting the pins with enough kinetic energy to knock them all over. You have a 12 pound bowling ball, and its the only ball available. The best way to increase the kinetic energy of the bowling ball is to ________.
a)
increase its mass
b)
roll it faster
c)
roll it slower
d)
its not possible to increase its kinetic energy
16.
Mark all of the factors that affect kinetic energy
a)
mass
b)
gravity
c)
height
d)
velocity
17.
Which explanation below best explains why an empty U-Haul truck moving at 25 mph has less kinetic energy than the same truck when it is loaded with furniture and home good moving at 25 mph.
a)
The loaded U-Haul truck has less mass
b)
The unloaded U-Haul truck would have more kinetic energy
c)
The unloaded U-Haul truck has less mass
d)
They would both have the same kinetic energy if they are moving at the same speed whether they areloaded or unloaded
18.
An object that has "stored energy" has ______ energy.
a)
Kinetic
b)
Potential
c)
Neither of these
19.
Mark all of the factors that affect potential energy.
a)
mass
b)
velocity
c)
height
d)
gravity
20.
When the pendulum is allowed to hit a block, the block moves. The best explanation for this is ____.
a)
Potential energy is transferred to the block causing it to move
b)
Some Potential energy and some Kinetic energy is transferred to the block causing it to move
c)
Kinetic energy is transferred to the block causing it to move
d)
none of these are correct
21.
The reason the block moves farther when we released it from a higher point is because by releasing it from a higher point, it had more PE. More PE resulted in more KE at the bottom of the swing, resulting in a greater energy transfer to the block of wood.
a)
True
b)
False
22.
What type of energy is represented in the picture?
a)
chemical potential energy
b)
elastic potential energy
c)
radiant energy
d)
nuclear energy
23.
The idea that energy cannot be created or destroyed, is known as _____.
a)
The law of conservation of matter
b)
The law of lost and found energy
c)
The law of conservation of momentum
d)
The law of conservation of energy
24.
Which of the following is an example of chemical energy being turned into electrical energy?
a)
A cell phone using the battery for power.
b)
A bicycle rider pedaling a bike
c)
A pitcher throwing a baseball
d)
Gasoline powering a lawnmower
25.
What statement is true about the blue skier compared to the yellow skier?
a)
The blue and yellow skiers both have the same amount of PE
b)
The yellow skier has more PE than the blue skier
c)
The blue skier has more PE than the yellow skier
d)
The blue skier will still have PE at the very bottom of the ramp
26.
Based on the picture below, what is the most likely reason the green skier has more potential energy than the yellow skier.
a)
The green skier has a steeper hill
b)
The green skier has more mass
c)
The yellow skier has more mass
d)
The yellow skier has slower start times
27.
At what points on the roller coaster does the cart have any amount of potential energy?
a)
W and Y only
b)
X only
c)
Z and X only
d)
W, Y and Z only
28.
At what point on the rollercoaster would the cart ONLY have Kinetic Energy?
a)
X only
b)
W only
c)
Z only
d)
both X and Y
29.
At what point in the flight does the cannonball ONLY have potential energy?
a)
A
b)
B
c)
C
d)
D
e)
E
30.
At what point(s) in the flight does the cannonball have both potential and kinetic energy?
a)
A only
b)
B and D
c)
B, C, and D
d)
A, B, and D
e)
E only
31.
Assuming at point E, the basketball is on the floor, at which point(s) would the basketball have a mix of kinetic and potential energy? Mark all that are correct.
a)
A
b)
B
c)
C
d)
D
e)
E
32.
At which point on the diagram would the basketball not have any kinetic energy? In other words, where does KE = 0 J?
a)
A
b)
B
c)
C
d)
D
e)
E
33.
EXTRA CREDIT
You do not have to do this problem. Just put 0 in as your answer if you do not want to try this.
If the roller coaster car at position "A" has a mass of 500 kg, how much potential energy does the cart have? The value for "g" is 9.8 m/s2
34.
EXTRA CREDIT
You do not have to do this problem. Just put 0 in as your answer if you do not want to try this.
If the roller coaster car at position "C" has a mass of 500kg, and has a velocity of 45m/s2, how much kinetic energy does the car have?
35.
If the roller coaster cart has 73,500J of potential energy at point "A", how much kinetic energy would it have at point "B"?
a)
0J
b)
25,000J
c)
73,500J
d)
there is not enough information to determine
36.
If the roller coaster cart has 73,500J of Potential Energy at point "A", and 61,250J of potential energy at point "C", how much kinetic energy would it have at point "C"?
37.
Select the points in this photo that show POTENTIAL energy.
A
B
C
D
E
38.
Match the following
a)
Gravitational Potential Energy
1.
Energy stored because of position
b)
Chemical Potential Energy
2.
Energy stored in bonds
c)
Elastic Potential Energy
3.
Energy stored because the shape changed
100 %
