WorksheetsEnergy Transformation
Total questions: 21
Worksheet time: 13mins
Name
Class
Date
1.
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
2.
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.
3.
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
4.
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
5.
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
6.
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.
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.
Kinetic Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Thermal
d)
Potential
10.
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
11.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
12.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
13.
Energy is the ability to do work or cause changes.
a)
True
b)
False
14.
We receive ________ and heat energy from the Sun.
a)
sound
b)
mechanical
c)
light
d)
kinetic
15.
What energy transformation occurs as bioluminescent algae glow in the ocean?
a)
Radiant --> Chemical
b)
Thermal --> Radiant
c)
Chemical --> Radiant
d)
Thermal --> Chemical
16.
What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?
a)
Radiant --> Chemical
b)
Thermal --> Chemical
c)
Chemical --> Mechanical
d)
Mechanical --> Chemical
17.
What energy transformation occurs as a mouse produces body heat?
a)
Chemical --> Thermal
b)
Thermal --> Chemical
c)
Electrical --> Thermal
d)
Thermal --> Mechanical
18.
When the light changes, Potential Energy is transferred to _____ Energy.
a)
Potential
b)
Mechanical
c)
Thermal
d)
Kinetic
19.
Chemical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Mechanical
d)
Chemical
20.
What is the energy transformation?
a)
Kinetic to Mechanical and Electrical
b)
Chemical to Thermal and Electromagnetic (light)
c)
Electromagnetic to Chemical and Electrical
d)
Kinetic to Sound and Chemical
21.
What is the energy transformation?
a)
Nuclear to Electrical
b)
Mechanical to Electrical
c)
Electrical to Thermal
d)
Kinetic to Sound
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