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WorksheetsEnergy
Total questions: 35
Worksheet time: 35mins
Name
Class
Date
1.
A Red car is traveling at 40 m/s and a blue car with the same mass is traveling at 20 m/s. Which car has more Kinetic Energy?
a)
Red Car (40 m/s)
b)
Blue Car (20 m/s)
2.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
3.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
4.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
5.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
6.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
7.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
8.
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
9.
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
10.
Which energy conversion occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
11.
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
12.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
13.
Energy conversions 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
14.
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
15.
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
16.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
17.
A hairdryer converts --
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
18.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
19.
If you travel to the moon will your mass be greater than, less than, or the same as on Earth?
a)
greater
b)
same
c)
less
d)
What?!
20.
Why would you weigh less on the moon compared to Earth?
a)
less air
b)
less sunlight
c)
more gravitational pull
d)
less gravitational pull
21.
A person would weigh less on on the Moon than on the Earth because . . .
a)
The moon has more gravity
b)
The moon has less gravity
22.
What are the two factors that affect kinetic energy?
a)
Time and Energy
b)
Power and Mass
c)
Mass and Velocity
d)
Time and Work
23.
What are the two factors that affect (Gravitational) Potential Energy?
a)
Gravity and Time
b)
Distance and Force
c)
Mass and Height
d)
Power and Gravity
24.
Name the Energy Conversion of a fan that is turned on.
a)
Chemical → Radiant, Thermal and Sound
b)
Electrical → Thermal, Sound and Motion
c)
Gravitational → Thermal, Sound and Radiant
d)
Chemical → Elastic, Motion and Sound
25.
When a roller coaster stops, the energy is destroyed.
a)
True
b)
False
26.
Which passenger has the most potential energy?
a)
A
b)
B
c)
C
d)
D
27.
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
28.
Mechanical Energy is
a)
KE-PE
b)
PE - KE
c)
The sum of PE & KE
29.
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
30.
If energy is always conserved, why does the pendulum and the swing come to a stop?
a)
Friction
b)
Energy isn't conserved here
c)
The energy just remains as kinetic energy
d)
None of these
31.
Friction and air resistance cause the mechanical energy of the pendulum and the swing to change to...
a)
thermal energy
b)
electrical energy
c)
elastic energy
d)
kinetic energy
32.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
33.
At Which 2 points would the coaster car have high kinetic energy?
a)
W & Y
b)
X & Z
34.
When a ball rolls across a gym floor it will slow down and eventually stop. What happens to the total amount of energy in the system?
a)
total amount of energy increases
b)
total amount of energy decreases
c)
total amount of energy stays the same
d)
total amount of energy constantly changes
35.
AS A ROLLER COASTER MOVES DOWN A HILL, POTENTIAL ENERGY IS CONVERTED INTO KINETIC ENERGY, THERMAL ENERGY, AND SOUND ENERGY. WHAT IS TRUE ABOUT THE TOTAL ENERGY OF THIS SYSTEM?
a)
ENERGY IS GAINED AS THE ROLLER COASTER MOVES
b)
ENERGY IS LOST AS THE ROLLER COASTER MOVES
c)
THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES
d)
THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES
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