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WorksheetsEnergy Review
Total questions: 47
Worksheet time: 41mins
Potential energy is...
energy in motion
stored energy
What two factors affect an object's potential energy?
area and volume
area and height
mass and height
mass and velocity
The least amount of potential energy is at
a
b
c
d
The most potential energy is at
a
b
c
d
Where would a person have to be located to have the minimum potential energy?
up on the roof
down in the basement
in the middle
outside
Where would a person have to be located to have the maximum potential energy?
up on the roof
down in the basement
in the middle
outside
Which object will have the largest value for its potential energy?
The energy of motion
Kinetic Energy
Potential Energy
As speed increases, kinetic energy
Increases
Decreases
Stays the same
If a 4 kg cat is running at 3 m/s what is its kinetic energy?
18 J
18
12
12 J
155 g is how many kg?
0.155 kg
1.55 kg
15.5 kg
0.0155 kg
A golf pro swings his driver with a mass of 0.75 kg at a velocity of 60 m/s. What is the kinetic energy of the club?
22.5 J
It doesn't have kinetic energy-it has potential energy.
2,700 J
1,350 J
Determine the potential energy of a 5 N book that is moved to three different shelves on a bookcase. The height of each shelf is 1 m, 1.5 m, and 2.0 m.
5 J, 7.5 J 10 J
5 J, 3.3 J, 2.5 J
2.5 J, 5.625 J, 10 J
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?
22,400 J
44,800 J
896,000 J
1,792,000 J
The acceleration of an object due to gravity on Earth is:
The same as its velocity
9.8 m/s2
It depends on the mass of an object
Equal to its kinetic energy
Which of the following has the greatest amount of gravitational potential energy (gravity = 9.8 m/s2)?
A 20 kg projector suspended 10 m in the air
A 100 kg wrecking ball suspended 10 m in the air
A 5 kg basketball suspended 10 m in the air
They all have the same GPE because they are all 10 m in the air
Which one has more kinetic energy at 10 m/s and why? Bowling ball v. Soccer ball
a bowling ball because it has more mass
a bowling ball because it is smaller
a soccer ball because it has more mass
a soccer ball because it is smaller
The amount of kinetic energy something has depends on its...
mass and height
mass and weight
mass and speed
weight and mass
What is the formula for Kinetic Energy?
PE = mgh
KE = 1/2mv2
ME=KE+PE
P = W/t
What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?
80 J
3.2 J
160 J
40 J
What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?
3,700J
900J
4,500J
6,500J
Unit of measure for energy.
newtons
m/s/s
joules
kg
When would you use the formula PE = w x h?
When Newtons are given in the problems
When kilograms are given in the problem
When pounds are given in the problem
When ounces are given in the problem
When would you use the formula PE = m x g x h?
When Newtons are given in the problems
When kilograms are given in the problem
When pounds are given in the problem
When ounces are given in the problem
Energy is the ability to do work or cause changes.
True
False
A car at the top of the drop on a roller coaster has ________ energy.
potential
kinetic
chemical
sound
A car rolling down the lowest point of a roller coaster has ________ energy.
potential
kinetic
chemical
sound
We receive ________ and heat energy from the Sun.
sound
mechanical
radiant
kinetic
Vibrations produce _______ energy, which we can hear.
chemical
sound
potential
light
Which of the following is an example of kinetic energy?
A rock at the top of a hill.
Water falling down a waterfall.
A pencil sitting on a desk.
A backpack on the ground.
______ energy is a type of potential energy that is stored in links between molecules of food and fuel.
Mechanical
Light
Chemical
Sound
Potential and kinetic energy combined are the ________ energy an object has.
light
chemical
mechanical
sound
______ energy is the energy of moving particles of matter.
Light
Thermal
Potential
Chemical
Kinetic
Elastic
Chemical
Sound
Photosynthesis involves radiant energy from the sun being converted to _______ energy in a plant.
kinetic
chemical
thermal
radiant
What two kinds of energy are present in a burning fire?
Thermal & Radiant
Potential & Chemical
Nuclear & Elastic
Sound & Nuclear
Chemical
Electrical
Thermal
Nuclear
When a piece of ice melts in your drink, this happens because...
thermal energy is transferred from the ice to the drink
thermal energy is transferred from the drink to the ice
radiant energy melts the ice
nuclear energy warms the drink
Which type of energy can travel in a vacuum?
sound
chemical
radiant
elastic
At which point is the KE and PE approximately equal?
Top of the hill
Halfway down the hill
Bottom of the hill
When the ride is over
