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Energy Transformations

Total questions: 16

Worksheet time: 14mins

Name
Class
Date
1.

What energy transformation takes place as a rock rolls down a hill?

a)

None

b)

Gravitational Potential Energy to Kinetic Energy

c)

Thermal Energy to Kinetic Energy

d)

Rock Energy to Mechanical Energy

2.

Which of the following energy transformations takes place as a battery-operated toy lights up and starts moving?

a)

Elastic Potential Energy to Kinetic Energy

b)

Electrical Energy to Chemical Energy

c)

Chemical Energy to Kinetic Energy

d)

None of these

3.

Which of the following energy transformations takes place as someone bounces up from a trampoline

a)

Elastic Potential Energy to Kinetic Energy

b)

Thermal Energy to Kinetic Energy

c)

Gravitational Potential Energy to Kinetic Energy

d)

None of these

4.
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
5.
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.
6.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
7.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
8.
Kinetic Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Thermal
d)
Potential
9.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
10.
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
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.
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
13.

Energy is the ability to do work or cause changes.

a)

True

b)

False

14.

Which of following are types of kinetic energy? Check all that apply.

a)

sound energy

b)

light energy

c)

thermal energy

d)

mechanical energy

e)

potential

15.

Vibrations produce _______ energy.

a)

chemical

b)

sound

c)

potential

d)

light

16.

Which of the following is an example of kinetic energy?

a)

A rock at the top of a hill.

b)

Water falling down a waterfall.

c)

A pencil sitting on a desk.

d)

A backpack on the ground.

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