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WorksheetsEnergy Transfers
Total questions: 23
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
Which of the following is NOT a form of energy?
a)
Sound
b)
Electricity
c)
Speed
d)
Kinetic
2.
What machine changes electrical energy into light and sound energy
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
3.
Which type of energy does the battery produce?
a)
sound
b)
light
c)
mechanical
d)
electrical
4.
Electrical Energy is:
a)
energy caused by the vibrations of an object
b)
energy caused by changes in the nucleus of an atom
c)
energy of moving electrons
d)
energy caused by heat
5.
Patty lifts a plate into a kitchen cabinet to put it away. What type of energy is store in the plate as it sits in the cabinet?
a)
1. kinetic energy
b)
2. solar energy
c)
3. sound energy
d)
4. potential energy
6.
Is it possible for energy to transform into a new kind of energy? (2.4B)
a)
yes
b)
no
7.
Kinetic Energy is energy of motion
a)
True
b)
False
8.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
9.
When a pendulum swings, at which point is kinetic energy highest:
a)
1
b)
2
c)
3
d)
4
10.
The ability to do work is....
a)
work
b)
power
c)
acceleration
d)
energy
11.
Friction causes energy to be transformed from KE to what?
a)
PGE
b)
chemical
c)
thermal
d)
elastic
12.
The Law of Conservation of Energy states that...
a)
energy can be destroyed
b)
energy can not be created or destroyed
c)
energy can only be destroyed using the force
13.
In old, incandescent light bulbs about 95% of the energy was wasted and only 5% was used to produce light. What energy saving alternative do we have now that is much more efficient?
a)
Halogen bulbs
b)
LED bulbs
c)
Black lights
14.
Which of the following is true about a blow dryer?
a)
Electrical energy is transformed into thermal energy.
b)
Mechanical energy is transformed into thermal energy and sound energy.
c)
Electrical energy is transformed into mechanical, thermal, and sound energy
d)
Mechanical, thermal and sound energy are transformed into electrical energy.
15.
What is the energy transfer in this circuit?
a)
Electrical energy to sound energy to thermal energy
b)
thermal energy to light energy to electrical energy
c)
mechanical energy to light energy to thermal energy
d)
electrical energy to light energy to thermal energy
16.
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
17.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
18.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
19.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
20.
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
21.
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
22.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
23.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
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