NEW
Font size
S
M
L
XL
WorksheetsEnergy Transformations and Heat Transfer
Total questions: 56
Worksheet time: 2hrs 49mins
Name
Class
Date
1.
What is energy?
a)
It is measured in watts
b)
It is power
c)
It is the ability to do work
d)
It is fluid motion
2.
What is the energy of motion that depends on speed and mass?
a)
chemical energy
b)
kinetic energy
c)
potential energy
d)
heat energy
3.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
chemical energy
b)
kinetic energy
c)
potential energy
d)
sound energy
4.
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
5.
Which coconut has the greatest gravitational potential energy?
a)
Position 1
b)
Position 2
c)
Position 3
d)
None have potential energy
6.
At what position does the cyclist have the least gravitational potential energy?
a)
A
b)
B
c)
C
d)
D
7.
What is happening at B?
a)
Lowest kinetic energy, highest potential energy
b)
Highest kinetic energy, lowest potential energy
8.
At what position does the rock acquire the greatest potential energy?
a)
A
b)
B
c)
C
d)
D
9.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
10.
________________ energy is the energy due to the motion (kinetic) and position (potential) of an object.
a)
electrical
b)
chemical
c)
solar
d)
mechanical
11.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
12.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
13.
Which energy transformation below matches?
Water moving over a dam to move a generator?
Water moving over a dam to move a generator?
a)
kinetic to chemical
b)
kinetic to electrical
c)
solar to electrical
14.
Which energy transformation below matches?
Burning coal or carbon-based fuel at a powerplant?
Burning coal or carbon-based fuel at a powerplant?
a)
chemical to heat to electrical
b)
mechanical to chemical to sound
c)
electrical to chemical to heat
15.
Which energy transformation below matches?
An electrical circuit?
An electrical circuit?
a)
chemical to heat, sound, light, mechanical
b)
solar to heat, sound, light, mechanical
c)
electrical to heat, sound, light, mechanical
16.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
The PE and KE increase and decrease together
b)
The PE decreases while the KE increases
c)
Impossible to know without knowing the mass
17.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
18.
A change from one form of energy to another is called ___________.
a)
work
b)
power
c)
mechanical
d)
energy transformations
19.
Some students observing a classroom device being used, noticed the below energy transformations.
Electrical → Mechanical → Sound
Which device were the students most likely observing?
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)
A triple beam balance measuring an object’s mass.
b)
A pencil sharpener plugged into a wall outlet.
c)
A projector displaying a diagram on the screen.
d)
A working flashlight used to light up a dark corner.
20.
Which kind of energy change occurs when a candle is burning?
a)
Chemical to light.
b)
Light to electrical.
c)
Solar to heat.
d)
Chemical to electrical.
21.
Which type of energy transformation occurs when a flashlight shines?
a)
chemical → thermal → electrical
b)
chemical → electrical → light
c)
thermal → chemical → light
d)
chemical → electrical → chemical
22.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical → thermal
b)
light → chemical
c)
thermal → light
d)
chemical → electrical
23.
Any form of energy can change into _____ other form of energy.
a)
any
b)
two
c)
one
d)
uno
24.
Energy is measured in
a)
Joules
b)
Newton's
c)
Kilograms
d)
Watts
25.
What is a measure of the average kinetic energy of the particles in an object
a)
Thermal Energy
b)
Heat
c)
Temperature
d)
Potential Energy
26.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
27.
The flow of thermal energy from warmer objects to cooler objects is called ______.
a)
heat
b)
movement
c)
friction
d)
energy
28.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
29.
What does a thermometer measure
a)
Thermal Energy
b)
Heat
c)
Specific Heat
d)
Temperature
30.
On which scale does water freeze at 0°
a)
Fahrenheit
b)
Kelvin
c)
Musical
d)
Celsius
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.
What kind of heat is happening when the sun heats your body?
a)
conduction
b)
convection
c)
density
d)
radiation
33.
Water boiling is an example of ____
a)
conduction
b)
radiation
c)
density
d)
convection
34.
Heat always travels from _____ to ______ objects
a)
hot to cold
b)
cold to hot
c)
cold to cold
d)
hot to hot
35.
You get sunburned because of _______
a)
conduction
b)
convection
c)
radiation
36.
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.
37.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
38.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
39.
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
40.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
41.
You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction.
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
42.
A metal spoon that gets warm when used to stir hot soup is an example of:
a)
Conduction
b)
Convection
c)
Radiation
43.
How do we measure temperature?
a)
In Degrees
b)
In Inches
c)
In Centimeters
d)
In Pounds
44.
The temperature on this thermometer is about?
a)
36°F
b)
38°F
c)
92°F
d)
100°F
45.
What temperature does this thermometer show?
a)
85 degrees Fahrenheit
b)
90 degrees Fahrenheit
c)
84 degrees Fahrenheit
d)
91 degrees Fahrenheit
46.
What is the temperature of the warmest thermometer?
a)
13 degrees
b)
20 degrees
c)
30 degrees
d)
22 degrees
47.
What is the formula for converting Celsius to Kelvin?
a)
oC + 273
b)
K - 273
c)
(oF - 32) x (5/9)
d)
oC x (9/5) + 32
48.
The temperature at which all molecular motion stops is called (0 K)?
a)
Absolute Zero
b)
Absolute Frozen
c)
Absolute Entropy
d)
Absolute Kinetics
49.
What are the three types of energy transfer?
a)
Conduction, Convection and Radiation
b)
Radiation, Microwaves, Convection
c)
Conduction, Convection, convection currents
d)
Radiation, Gamma Rays, X rays
50.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
51.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
52.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
53.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
54.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
55.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
56.
How do nuclear power-plants work?
a)
Fusion
b)
Half-life
c)
Fission
d)
Fusion or fission
Reset
