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WorksheetsEnergy Review
Total questions: 60
Worksheet time: 48mins
Name
Class
Date
1.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
2.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
3.
When a soccer ball is on a field, the energy it has just before being kicked is called
a)
kinetic energy
b)
potential energy
c)
mechanical energy
d)
chemical energy
4.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
5.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
6.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
7.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
8.
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
9.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
10.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
11.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
12.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
13.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
14.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
15.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
16.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
17.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
18.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
19.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?
a)
Mechanical to light to chemical
b)
Chemical to mechanical to thermal
c)
Thermal to chemical to light
d)
Chemical to thermal to mechanical
20.
A hairdryer converts --
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
21.
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.
22.
What is the definition of CONVECTION
a)
When heat transfers through waves.
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.
d)
Heat traveling from the sun
23.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
24.
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.
25.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
26.
Which of the following is needed for convection to happen?
a)
Fluid/s
b)
Light in the form or rays
c)
Electromagnetic waves
d)
Fire
27.
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
28.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
29.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
30.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
31.
When heat is transferred, thermal energy always moves from____ to ____ objects until equilibrium is achieved.
a)
warmer to cooler
b)
cooler to warmer
c)
there is no transfer
d)
back and forth
32.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
33.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
34.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
35.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
36.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
37.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
38.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
39.
Transfer of thermal energy through "touch"
a)
conduction
b)
convection
c)
radiation
40.
Near the ceiling of a room the air is warmer. The warm air rises because of
a)
conduction
b)
convection
c)
radiation
41.
A huge rock at the state park gets so hot during the day because of
a)
conduction
b)
convection
c)
radiation
42.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
43.
A chair is placed several feet from a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of
a)
conduction
b)
convection
c)
radiation
44.
The cause of weather systems on earth is
a)
conduction
b)
convection
c)
radiation
45.
__________ is an energy resource that WILL NOT run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
46.
__________ is an energy resource that WILL run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
47.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
48.
Hyrdo Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
49.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
50.
Nuclear Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
51.
Natural Gas is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
52.
The sun is the source of all energy on Earth.
a)
true
b)
false
53.
__________is the energy generated from the sun by using solar panels.
a)
Wind
b)
Hydro
c)
Nuclear
d)
Solar
54.
The energy of nuclear reactions between atoms that creates heat and turns turbines is _________.
a)
Coal
b)
Wind
c)
Hydro
d)
Nuclear
55.
__________is the energy created by wind turning wind turbines.
a)
Geothermal
b)
Hydro
c)
Wind
d)
Nuclear
56.
_________is energy generated when moving water turns turbines.
a)
Wind
b)
Hydro
c)
Geothermal
d)
Solar
57.
__________uses heat from the interior of the Earth.!
a)
Solar
b)
Geothermal
c)
Nucler
d)
Wind
58.
Wind is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
59.
A _________ is a device that transforms radiant energy directly into electrical energy (Used to power calculators and satellites).
a)
proton
b)
cask
c)
photovoltaic
d)
heat pump
60.
A _________ is a device that transforms radiant energy directly into electrical energy (Used to power calculators and satellites).
a)
proton
b)
cask
c)
photovoltaic
d)
heat pump
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