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Forms of Energy & Energy Transformations SC.7.11.2-11.3

Total questions: 31

Worksheet time: 31mins

Name
Class
Date
1.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
2.
What kind of energy does something have because it is being stretched?
a)
gravitational potential
b)
elastic potential
c)
chemical
d)
radiant
3.
Energy that is produced by the internal motion of particles is called...
a)
light
b)
mechanical
c)
thermal
d)
chemical
4.

In solar panels, solar energy from the sun is transferred to ______ AND _______.

a)

Mechanical & Thermal

b)

Solar & Sound

c)

Sound & Light

d)

Chemical & Electrical

5.

A atomic bomb converts ________________ energy into kinetic, sound, light and thermal energy.

a)

chemical

b)

potential

c)

nuclear

d)

electrical

6.
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
7.

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

8.
An engine converts 95% of its energy to mechanical energy. What happens to the other 5% of its energy?
a)
It becomes other forms of energy - mainly heat.
b)
It becomes a magnet
c)
It becomes recycled energy.
d)
It becomes renewable energy.
9.
Identify the energy transformations in a flashlight
a)
Electrical to Light
b)
Chemical to Electrical to Radiant
c)
Potential to Kinetic
d)
Electrical to Mechanical
10.

Look at the two diagrams. What type of energy transformation is occurring in both diagrams?

a)

Chemical to Radiant

b)

Chemical to Gravitational

c)

Mechanical to Radiant

d)

Chemical to Mechanical

11.

Edgar’s soccer coach told him to eat a good breakfast Saturday morning in order to have plenty of energy for the soccer game. To which transformation of energy is Edgar’s coach referring?

a)

Nuclear to Mechanical

b)

Chemical to Mechanical

c)

Radiant to Thermal

d)

Breakfast to soccer

12.

Identify an example of chemical potential energy.

a)

The sun

b)

Photosynthesis

c)

Wind

d)

Moving water

13.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
14.

Energy that travels in waves is called ________

a)

Radiant Energy

b)

Chemical Energy

c)

Nuclear Energy

d)

Radiation

15.
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.
16.

What is energy?

a)

The ability to cause a change within a system

b)

A force

c)

Electricity

d)

The ability to transform work

17.

Which of these is NOT a source of chemical energy?

a)

Spaghetti

b)

The Sun

c)

Battery

d)

Petroleum

18.
Which of the following energy transfers occurs when food is digested?
a)
chemical to mechanical
b)
radiant to nuclear
c)
mechanical to potential
d)
thermal to chemical
19.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
20.

Which is an example of radiant energy to thermal energy transformation?

a)

a greenhouse

b)

an electric stovetop

c)

a guitars strings being strum

d)

a car's brakes

21.
Which of the following radiant energy to electrical energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
22.
Which of the following converts chemical energy to electrical energy?
a)
candle
b)
light bulb
c)
coal power plant
d)
nuclear power plant
23.

Think about the Law of Conservation of Energy.

Which of the following is NOT true?

a)

Energy cannot be destroyed.

b)

Energy cannot be created.

c)

Energy cannot be transformed.

d)

Energy can only be transformed.

24.

When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.

a)

Kinetic

b)

Potential

c)

Gravitational

d)

Friction

25.
Microwaves, x-rays, ultraviolet rays, infrared waves, light waves are all examples of 
a)
electrical energy
b)
electromagnetic energy
c)
chemical energy
d)
nuclear energy
26.
Stored energy is another name for
a)
kinetic energy
b)
thermal energy
c)
potential energy
d)
sound energy
27.

The diagram shows a circuit with a battery and a bulb. While the bulb is producing light, which type of energy is DECREASING in the battery?

a)

gravitational potential energy.

b)

elastic potential energy

c)

chemical potential energy

d)

mechanical potential energy

28.
Inside a power plant, coal is burned to produce hot gases.  What type of energy conversion takes place as hot gases cause turbines to move?
a)
Thermal energy to chemical energy
b)
Thermal energy to kinetic energy
c)
electrical energy to kinetic energy
d)
Kinetic energy to thermal energy
29.
What kind of energy does something have because it is being stretched?
a)
gravitational potential
b)
elastic potential
c)
chemical
d)
radiant
30.

If you roll a ball slowly on the ground, it will eventually stop. This is because _____________

a)

kinetic energy is transformed to potential energy

b)

the ball needs more thermal energy to keep going

c)

kinetic energy is transformed to sound & thermal energy

d)

the energy of the ground will reduce mechanical energy

31.

When a ball is bouncing, the potential & kinetic energy change. The ball will eventually stop bouncing. This is because __________.

a)

the balls energy is transformed to chemical energy

b)

the balls energy is transformed to heat and sound energy

c)

the mass of the ball is too small so it cannot continue in motion

d)

the pull of gravity is stronger than the energy of the ball