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WorksheetsEnergy Review -- Remote
Total questions: 50
Worksheet time: 55mins
Name
Class
Date
1.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
2.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
3.
The ability to do work is....
a)
work
b)
power
c)
acceleration
d)
energy
4.
Which of the following objects has the most kinetic energy?
a)
A 20 kg toddler running at 5 m/s
b)
A 50 kg toddler running at 30 m/s
c)
A 90 kg toddler running at 30 m/s
d)
A 100 kg toddler running at 2 m/s
5.
How much gravitational potential energy does a 75 kg diver have stepping off the edge of a 5 m platform? PE = mgh
a)
375 J
b)
15 J
c)
147 J
d)
3, 675J
6.
How much kinetic energy does a moving object have if its mass is 100 kg and it is moving at a speed of 5 meters per second? KE = 1/2 mv2
a)
2,500 J
b)
250 J
c)
1,250 J
d)
125,000 J
7.
The kinetic energy of an object increases as its ___ increases.
a)
gravitational energy
b)
potential energy
c)
specific heat
d)
velocity
8.
What happens to the kinetic energy of a moving object if the mass stays the same, but the velocity increases?
a)
kinetic energy increases
b)
kinetic energy decreases
c)
kinetic energy stays the same
9.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
10.
Energy of motion is which type of energy?
a)
chemical
b)
mechanical
c)
nuclear
d)
Gravitational
11.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
12.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
13.
What kind of energy does this device use?
a)
Chemical
b)
Electromagnetic
c)
Thermal
d)
Chemical
14.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
15.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electromagnetic
d)
chemical to electrical
16.
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
17.
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
18.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
19.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
20.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
21.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
22.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
23.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
24.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
25.
Energy caused by the movement in the particles of matter.
a)
Nuclear energy
b)
Sound energy
c)
Light energy
d)
Thermal(heat) energy
26.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
27.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and weight
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
28.
A moving skateboard
a)
Gravitational PE
b)
Kinetic
c)
Chemical PE
d)
Elastic PE
29.
A rock at the edge of a cliff.
a)
Gravitational PE
b)
Kinetic
c)
Chemical PE
d)
Elastic PE
30.
An acorn hanging from an oak tree.
a)
Gravitational PE
b)
Kinetic
c)
Chemical PE
d)
Elastic PE
31.
Blowing wind.
a)
Gravitational PE
b)
Kinetic
c)
Chemical PE
d)
Elastic PE
32.
Two objects with different masses are placed on the same shelf. Which object contains more energy?
a)
The object with a greater mass has more energy.
b)
The object with less mass has more energy.
c)
Both objects have the same amount of energy.
d)
Neither object has any energybecause they are not moving
33.
A change from one form of energy into another is called
a)
gravitational potential energy
b)
work
c)
conservation of energy
d)
an energy conversion
34.
What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s? KE = 1/2mv2
a)
50 J
b)
5 J
c)
250 J
d)
25 J
35.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s? KE = 1/2 mv2
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
36.
Where is Potential Energy the greatest?
a)
A
b)
F
c)
D
d)
G
37.
A red ball and a yellow ball have the same mass. The red ball is resting 8 meters above the yellow stone. Compare their kinetic energies.
a)
Their gravitational potential energies are the same.
b)
Their kinetic energy is the same.
c)
The kinetic energy of the red ball is less than the Ek of the yellow ball.
d)
The gravitational potential energy of the red ball is more than the Eg of the yellow ball.
38.
A red ball and a yellow ball have the same mass. The red ball is resting 8 meters above the yellow stone. Compare their gravitational potential energies.
a)
Their gravitational potential energies are the same.
b)
The gravitational potential energy of the red ball is 8 times greater than the Eg of the yellow ball.
c)
The gravitational potential energy of the red ball is less than the Eg of the yellow ball.
d)
The gravitational potential energy of the red ball is more than the Eg of the yellow ball.
39.
A 6 kg stone and an 18 kg stone are at rest on a 5 meter high ledge. Compare their gravitational potential energies.
a)
Their gravitational potential energies are the same.
b)
The gravitational potential energy of the more massive stone is 3 times greater than the smaller stone.
c)
The gravitational potential energy of the more massive stone is 3 times less than the Eg of the smaller stone.
d)
The kinetic energy of the larger stone is greater.
40.
A red car and a blue car move at different speeds. The cars both have a mass of 360 kg. If the red car is 3 times faster than the blue car,
a)
the blue car's kinetic energy will be 9 times greater.
b)
the red car's gravitational potential energy will be the same as the blue car's.
c)
the blue car's kinetic energy will be 3 times greater.
d)
the red car's kinetic energy will be 3 times greater.
41.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
42.
What is the definition of CONVECTION?
a)
When heat transfers through the heater or AC in your house.
b)
When heat transfers from objects that are touching.
c)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks. Creates up and down movements in the fluid
d)
hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
43.
What is the definition of RADIATION?
a)
hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
b)
When heat is transferred through empty space or a gas
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
44.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
45.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
46.
When a pot is touching a stove that is on, what heat transfer is happening?
a)
I don't know??????
b)
Radiation
c)
Conduction
d)
Convection
47.
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
a)
Conduction.
b)
Convection.
c)
Radiation.
48.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high.
49.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
50.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
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