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WorksheetsEnergy Practice
Total questions: 78
Worksheet time: 59mins
Name
Class
Date
1.
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
2.
What type of energy do we get from our food?
a)
Chemical
b)
Dairy
c)
Electrical
d)
Nuclear
3.
Can energy be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, energy is always conserved
d)
None of these
4.
Solar radiation needs a medium to travel.
a)
False
b)
True
5.
What are the two types of Mechanical Energy? (ME)
a)
Kinetic and Potential Energy
b)
Kinetic and Nuclear Energy
c)
Potential and Chemical Energy
d)
Thermal and Kinetic Energy
6.
The equation to find kinetic energy is
a)
KE=1/2mv2
b)
KE=mgh
c)
KE=1/2kx2
d)
KE=Fd
7.
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
8.
Energy stored in a big boulder at the top of the hill is an example of ___ energy.
a)
potential
b)
electrical
c)
radiant
d)
thermal
9.
Food is a form of ____ energy.
a)
solar
b)
geothermal
c)
nuclear
d)
chemical
10.
Photovoltaic cells produce ____ directly from sunlight.
a)
fossil fuels
b)
crude oil
c)
battery
d)
electricity
11.
The kinetic energy of ____ is transferred to a turbine.
a)
steam
b)
chemical
c)
hydroelectric dam
d)
geothermal vent
12.
When a baseball falls from its highest point, the energy is changing from_____.
a)
kinetic to potential
b)
potential to kinetic
c)
thermal to kinetic
d)
chemical to potential
13.
Which is NOT a fossil fuel?
a)
Oil
b)
Coal
c)
Propane
d)
Wind
14.
Generators are used to produce electricity from all of these sources EXCEPT _____.
a)
solar
b)
wind
c)
hydroelectric
d)
nuclear
15.
Wind, geothermal, and solar energy are all what type of energy resources?
a)
cheap
b)
potential
c)
renewable
d)
chemical
16.
All forms of light (natural sunlight, candles burning, lightbulbs, etc.) are what kind of energy?
a)
radiant
b)
kinetic
c)
nuclear
d)
wind
17.
part of Earth that acts like the windows of a greenhouse
a)
infrared waves
b)
greenhouse gases
c)
atmosphere
d)
visible light
18.
if particles of two substances have the same average kinetic, then
a)
specific heat is same
b)
substances have equal thermal energies
c)
substances have equal temperatures
19.
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)
Both the potential energy and kinetic energy increase
20.
Energy can be _____________, meaning changed from one type to another.
a)
destroyed
b)
converted
c)
created
d)
conserved
21.
What do we call a change from one form of energy to another?
a)
Energy formation
b)
Energy conversion
c)
Energy swapping
d)
Energy transformers
22.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
23.
Energy is transferred as heat between two objects of ___________ temperatures.
a)
differing
b)
same
24.
As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
25.
The measure of average kinetic energy of all the particles within an object is called ____________.
a)
temperature
b)
conduction
c)
radiation
d)
heat
26.
A(n) _____________ is a device for measuring temperature.
a)
thermometer
b)
barometer
c)
anemometer
d)
psychrometer
27.
The temperature at which an object's energy is minimal is called ____________.
a)
absolute zero
b)
minimum temperature
c)
zero
28.
The energy transferred between the particles of two objects because of the temperature difference between the two objects is called ________________.
a)
heat
b)
insulator
c)
conductor
29.
Absolute zero is...
a)
0º C
b)
0º F
c)
0º K
d)
0º O
30.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
31.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise
c)
cold fall
d)
when heat transfers from objects that are touching
32.
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.
33.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
34.
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
35.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
36.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
37.
A metal spoon that gets warm when used to stir hot soup is an example of:
a)
Conduction
b)
Convection
c)
Radiation
38.
What type of heat transfer is occurring between the hot soup and the metal spoon?
a)
Convection
b)
Radiation
c)
Condensation
d)
Conduction
39.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
40.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
41.
Which of the following has the MOST thermal energy?
a)
1 liter pot of boiling water
b)
a swimming pool on a sunny day
c)
the entire atmosphere of Earth
d)
a full size candy bar that is melting
42.
If two objects or containers have the same temperature, but one has a larger mass, ____________.
a)
the larger mass object has more thermal energy
b)
the smaller mass object has more thermal energy
c)
they have the same thermal energy
d)
they will change temperatures at the same rate
43.
Which of these is an example of a biomass fuel?
a)
coal
b)
oil
c)
natural gas
d)
wood
44.
__________uses heat from the interior of the Earth.
a)
Solar
b)
Geothermal
c)
Nucler
d)
Wind
45.
This Picture Represents Which Type of Alternative Energy?
a)
Wind
b)
Solar
c)
Hydroelectric
d)
Geothermal
46.
When the clock's pendulum is swinging through the center of its path, it has ____ velocity and _____ kinetic energy
a)
zero; zero
b)
a little; a little
c)
a lot; a lot
d)
maximum; maximum
47.
The kind of potential energy associated with rubber bands, springs, and pole vault poles is called _______ potential energy.
a)
Elastic
b)
Gravitational
c)
Kinetic
48.
Matter and energy are actually interchangeable, which Einstein discovered in the equation E = mc2.
a)
True
b)
False
49.
What is missing from this process of making energy?
1. Fuel is burned and heats water turning it to steam.
2. __________________
3. Turbine turns the Generator.
4. Generator makes electricity.
1. Fuel is burned and heats water turning it to steam.
2. __________________
3. Turbine turns the Generator.
4. Generator makes electricity.
a)
Steam turns the generator.
b)
Steam turns to water again.
c)
Steam turns the turbine.
d)
Steam turns the transformer.
50.
Fission, or the process of splitting an atom, quickly creates a large amount of ______________ energy
a)
Geothermal
b)
Biomass
c)
Nuclear
d)
Solar
51.
This Picture Represents Which Type of Alternative Energy?
a)
Wind
b)
Solar
c)
Biofuels
d)
Geothermal
52.
Energy can't be created or destroyed but only changes forms
a)
Law of motion
b)
Law of Physics
c)
Law of Energy
d)
Law of Thermodynamics (Conservation of Energy)
53.
Materials such as rubber, wood, and plastics that do not allow heat to pass through them easily are called-
a)
insulators
b)
conductors
c)
radiators
d)
solar collectors
54.
Kinetic energy ___ as an object's speed increases.
a)
increases
b)
decreases
c)
stays the same
d)
is destroyed
55.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
56.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
57.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
58.
Mechanical Energy is
a)
KE-PE
b)
PE - KE
c)
The sum of PE & KE
59.
What is a non-renewable resource?
a)
a resource that is not used up or can be very quickly replenished
b)
a resource that can not be replenished within a human lifetime
60.
Coal, oil, and natural gas are made from the remains of creatures that lived a long time ago. This makes them _____ .
a)
Fossil Fuels
b)
Renewable Energy Sources
c)
Sustainable Energy Sources
d)
Ores
61.
Most of our energy in The United States comes from _____ .
a)
Non-renewable energy sources
b)
Renewable energy sources
c)
Sustainable energy sources
d)
Wind and Solar energy
62.
What is the correct order of how energy is produced in a powerplant?
a)
make steam, steam spins a turbine, generator changes mechanical energy to electric energy
b)
make steam, power a generator, spin a turbine
c)
heat up water, hot water spins a turbine, turbine powers a generator
d)
turn on a generator, spin a turbine, make steam
63.
Where does most of earth`s energy come from?
a)
The sun
b)
Mars
c)
Wind
d)
Water
64.
A device that takes electrical energy and turns it into thermal energy.
a)
A battery
b)
A hair dryer
c)
A bicycle
d)
You stomach
65.
The stored energy found in food, muscles, batteries and fuel are examples of which form of energy?
a)
Radiant energy
b)
Chemical energy
c)
Sound energy
d)
Thermal energy
66.
A device that converts electrical energy to light energy.
a)
A blender
b)
A light bulb
c)
A bycycle
d)
A balloon
67.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
68.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
69.
Thermal energy ALWAYS moves from _____ to _____.
a)
solid to liquid
b)
ice to water
c)
hot to cold
d)
solid to gas
70.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
71.
If an object has particles that are moving very slowly, the object's temperature is probably ______.
a)
hot
b)
small
c)
cold
d)
big
72.
The flow of thermal energy from warmer objects to cooler objects is called ______.
a)
heat
b)
movement
c)
friction
d)
energy
73.
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.
74.
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
75.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
76.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
77.
Energy from the sun is transferred to Earth by the process of ____________________.
a)
Convection
b)
Conduction
c)
Radiation
d)
Thermal expansion
78.
Which has more thermal energy, a pot of boiling water or an iceberg?
a)
a pot of boiling water
b)
an iceberg
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