Worksheetsenergy transformations
Total questions: 36
Worksheet time: 32mins
Name
Class
Date
1.
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
2.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
3.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
4.
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
5.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
6.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
7.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
8.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
9.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
10.
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
11.
Electrical -> Mechanical -> Sound
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
12.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
13.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
14.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
15.
Can you create energy?
a)
Yes
b)
No
16.
Can you destroy energy?
a)
Yes
b)
No
17.
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go.
Which choice below BEST shows the energy transformation of making a smoothie?
Plug a Blender into the wall outlet, and you're ready to go.
Which choice below BEST shows the energy transformation of making a smoothie?
a)
Electrical to Kinetic
b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
18.
A hot air balloon has the following energy transformations__________.
a)
Thermal-Chemical-Electrical
b)
Chemical-thermal-mechanical
c)
Thermal-Mechanical
d)
Thermal-Chemical
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 of these is an example of light energy being transformed into chemical energy?
a)
A glow stick lights up when broken.
b)
Water heated by the sun evaporates.
c)
A plant makes sugar in the sunlight.
d)
A battery causes a buzzer to vibrate.
21.
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.
22.
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
23.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
24.
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?
a)
chemical → light → electrical
b)
mechanical → sound → light
c)
thermal → solar → electrical
d)
electrical → thermal → light
25.
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
a)
chemical → light → electrical
b)
electrical → light → chemical
c)
light → electrical → chemical
d)
chemical → electrical → light
26.
Which of the following shows the energy transformation that occurs when solar panels are used to heat a building?
a)
light → thermal
b)
chemical → electrical
c)
thermal → chemical
d)
light → mechanical
27.
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
28.
The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?
a)
thermal → solar → light
b)
solar → light → electrical
c)
mechanical → electrical → light
d)
electrical → mechanical → light
29.
Which device transforms electrical energy into mechanical energy?
a)
Flashlight
b)
Pencil Sharpener
c)
Lamp
d)
TV
30.
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
31.
The diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?
a)
electrical → light → chemical
b)
light → electrical → chemical
c)
chemical → electrical → light
d)
chemical → light → electrical
32.
Which of the following systems transforms chemical energy to light energy?
a)
Fan
b)
Lamp
c)
Compass
d)
Burning a candle
33.
The Theory of the Conservation of Energy states -
a)
Energy can be created, just not destroyed. It changes its form from one type to another.
b)
Energy can never be created nor destroyed. It can only change its form from one type to another.
c)
The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.
d)
Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.
34.
Electrical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Chemical
d)
Electrical
35.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
36.
When the light changes, Potential Energy is transferred to _____ Energy.
a)
Potential
b)
Mechanical
c)
Thermal
d)
Kinetic
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