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Energy Transformations Review

Total questions: 80

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

Step 1 (a)   energy transformed to ​ Step 2 (b)   energy. ​Step 3 (c)   energy transformed to step 4​ (d)   energy.

​

Choose from the below words
chemical
thermal
mechanical
electrical
2.

Step 1 (a)   energy transformed to ​ Step 2 (b)   energy. ​Step 3 (c)   energy transformed to step 4​ (d)   energy.

​

Choose from the below words
chemical
thermal
mechanical
electrical
3.

Which of the following type of energy is NOT used in a car?

a)

Chemical Energy

b)

Electrical Energy

c)

Kinetic Energy

d)

Nuclear Energy

4.

Which of the following type of energy is used in a car?

a)

Chemical Energy

b)

Electrical Energy

c)

Kinetic Energy

d)

Nuclear Energy

5.

Which of the following occurs during an energy transformation?

a)

energy disappears

b)

new energy appears

c)

energy changes form

d)

matter is created from energy

6.

Photosynthesis is a process that occurs in plants. Place the correct energy as the beginning process in the first box and the correct transformation that occurs during photosynthesis in the second box. Move the correct answer to each box. Not all answers will be used.

First Energy Form: (a)   Transformation: (b)  

Choose from the below words

solar energy from the earth

transforms into radiant energy

radiant energy from the sun
transforms into chemical energy
7.

Photosynthesis is a process that occurs in plants. Place the correct energy as the beginning process in the first box and the correct transformation that occurs during photosynthesis in the second box. Move the correct answer to each box. Not all answers will be used.

First Energy Form: (a)   Transformation: (b)  

Choose from the below words

solar energy from the earth

transforms into radiant energy

radiant energy from the sun
transforms into chemical energy
8.

What process in the natural world converts radiant energy into chemical energy?

a)

respiration

b)

condensation

c)

diffusion

d)

photosynthesis

9.

In the diagram above, where is light energy converted to chemical energy?

a)

A. Sun

b)

B. Grass

c)

C. Grasshopper

d)

D. Hawk

10.

In the diagram above, where is light energy converted to chemical energy?

a)

marsh grasses and cattails

b)

grasshoppers and marsh grasses

c)

cattails and crickets

d)

shrews and hawks

11.

In the diagram above, where is light energy converted to chemical energy?

a)

snake

b)

deer

c)

green plants

d)

frog

12.

In the diagram above, where is light energy converted to chemical energy?

a)

foxes

b)

owls

c)

mice

d)

grasses

13.

Students in a 6th grade science class are designing an experiment using two batteries as shown in the diagram. What is one possible purpose of the students' experiment?

a)

A. To demonstrate how chemical energy is transformed into electrical energy

b)

B. To show the effect of light on batteries

c)

C. To determine how radiant energy is affected by battery size

d)

D. To test the side effects of using batteries to power home appliances

14.

Click in boxes that are demonstrating an energy transformation involving CHEMICAL energy.

A
B
C
D
E
F
15.

The energy transformation from the electrical outlet to the fan blades is –

a)

A. electrical --> nuclear

b)

B. thermal --> mechanical

c)

C. electrical --> mechanical

d)

D. mechanical --> thermal

16.

The diagram below shows a pinwheel rotating above a lit candle. The arrows indicate the direction of air flow. Which energy transformation is best shown in this diagram?

a)

A. Thermal to mechanical

b)

B. Mechanical to light

c)

C. Sound to heat

d)

D. Thermal to light

17.

Identify the energy transformation

a)

chemical to mechanical

b)

electrical to light and sound

c)

electrical to thermal

d)

light to chemical

18.

Identify the energy transformation

a)

chemical to mechanical

b)

electrical to light and sound

c)

electrical to thermal

d)

light to chemical

19.

Identify the energy transformation

a)

chemical to mechanical

b)

electrical to light and sound

c)

electrical to thermal

d)

light to chemical

20.

Identify the energy transformation

a)

chemical to mechanical

b)

electrical to light and sound

c)

electrical to thermal

d)

light to chemical

21.

Identify the energy transformation

a)

chemical to mechanical

b)

chemical to electrical to radiant

c)

electrical to thermal

d)

light to chemical

22.

Identify the energy transformation

a)

chemical to mechanical

b)

chemical to electrical to radiant

c)

electrical to thermal

d)

light to chemical

23.

Gasoline for engines

a)

chemical

b)

mechanical

c)

radiant (light)

d)

sound

24.

Food

a)

chemical

b)

mechanical

c)

radiant (light)

d)

sound

25.

Sunlight

a)

chemical

b)

mechanical

c)

radiant (light)

d)

sound

26.

Natural Gas

a)

chemical

b)

mechanical

c)

radiant (light)

d)

sound

27.

running

a)

chemical

b)

mechanical

c)

radiant (light)

d)

sound

28.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
29.

Solar Energy is transformed into _____ Energy.

a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
30.

Electrical Energy is transformed into _____ Energy.

a)
Thermal
b)
Solar
c)
Electrical
d)
None
31.

Mechanical Energy is transformed into _____ Energy.

a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
32.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
33.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
34.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
35.

What type of energy transformation occurs when using an electric pencil sharpener?

a)

electrical to mechanical

b)

sound to electrical

c)

mechanical to electrical

d)

potential to sound

36.

A lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.

a)

mechanical

b)

kinetic

c)

radiant

d)

sound

37.

What do sound energy, radiant energy, and thermal energy all have in common?

a)

They're all forms of kinetic energy

b)

They're all made of similar atoms and molecules

c)

They're all made by plants during photosynthesis

d)

All of these choices

38.

Light energy is also known as

a)

radiant energy

b)

thermal energy

c)

heat energy

d)

nuclear energy

39.

Thermal energy is also known as

a)

light

b)

heat

c)

radiation

40.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
41.

Most of the world's energy is solar. Solar energy is energy from the

a)

Earth

b)

Solar panels

c)

Sun

d)

Moon

42.

What type of energy is represented in the picture?

a)

potential

b)

chemical

c)

thermal

d)

mechanical

43.

Plants turn_______ energy into _______ energy for food.

a)

thermal, mechanical

b)

radiant, chemical

c)

electromagnetic, light

d)

potential, kinetic

44.

What type of energy transformation in an electric hot plate is plugged in?

a)

electrical to light

b)

mechanical to electrical to light

c)

thermal to mechanical to light

d)

electrical to thermal

45.

When you eat pizza, chemical energy is transferred to _____ energy in your body.

a)

Solar

b)

Electrical

c)

Mechanical

d)

Chemical

46.

Chemical energy in the car is transferred to _____ energy in the car.

a)

Thermal

b)

Solar

c)

Mechanical

d)

Chemical

47.
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
48.

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

a)

thermal to electrical

b)

mechanical to thermal

c)

electrical to thermal

d)

electrical to sound

49.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

50.
Which items would have this energy transformation: light energy -> chemical energy?
a)
tree growing fruit
b)
person running
c)

phone ringing

d)
windmill turning
51.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
52.

The picture showing the energy conversion

Light → chemical

is:

a)
b)
c)
d)
53.

Energy is the ability to do work or cause changes.

a)

True

b)

False

54.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

55.

What two forms of energy are given off by a burning candle?

a)

heat and light

b)

mechanical and electrical

c)

nuclear and light

d)

potential and heat

56.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
57.
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
58.

Match the types of energy.

a)sound
b)electrical
c)thermal
d)chemical
e)radiant
f)mechanical
1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
59.

Read the following statement carefully and fill in the blank.

The woman uses ​ (a)   energy to hit the gong.

Choose from the below words
mechanical
sound
light
electric
60.
Question Image

Match the following types of energy

a)

Mechanical

1.

Motion

b)

Electrical

2.

Flow of electric charge

c)

Thermal

3.

Heat

d)

Chemical

4.

Potential energy in food or fuel

e)

Electromagnetic

5.

Energy in waves

61.

This picture shows an example of what type of energy? (a)  

Choose from the below words
electrical
mechanical
radiant
thermal
62.

Radiant energy that our eyes can see​ (a)  

Choose from the below words
light energy
thermal energy
electrical energy
63.
Can you create energy?
a)
Yes
b)
No
64.

A clothes dryer is shown. This appliance dries clothes primarily by converting -

a)

electrical energy to heat and light.

b)

mechanical energy to heat and vaporizaton.

c)

electrical energy to heat and mechanical energy.

d)

mechanical energy to heat and electrical energy.

65.

The blades of a wind turbine spin when air moves (wind). Which energy transformation happens when the blades are spinning?

a)

Electrical to Mechanical

b)

Chemical to mechanical

c)

Chemical to Electrical

d)

Mechanical to Electrical

66.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
67.
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
68.
Which of the following systems transforms chemical energy to light energy?
a)
Fan
b)
Lamp
c)
Compass
d)
Burning a candle
69.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
70.
Can you destroy energy?
a)
Yes
b)
No
71.
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?
a)

Electrical to Mechanical

b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
72.

Check the types of energy transformation we see when we use a hairdryer. (3)

a)

mechanical energy

b)

thermal energy

c)

electrical energy

d)

chemical energy

73.
A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?
a)
Mechanical to chemical to electrical
b)
Chemical to sound to electrical
c)
Chemical to electrical to sound
d)
Electrical to heat to sound
74.

The picture showing the energy conversion

Chemical → heat

is:

a)
b)
c)
d)
75.

The picture showing the energy conversion

Chemical → light & heat

is:

a)
b)
c)
d)
76.

Which of the following organisms regularly transforms radiant energy into chemical energy?

a)

grass

b)

cow

c)

deer

d)

human

77.

The energy cows need to move about comes from the grass they eat. The energy in the grass is transformed from -

a)

mechanical energy to radiant energy

b)

radiant energy to chemical energy

c)

electrical energy to thermal energy

d)

chemical energy to mechanical energy

78.

Food provides _____ energy for humans.

a)

chemical

b)

thermal

c)

radiant

d)

mechanical

79.

Mammals maintain a constant body temperature by converting –

a)

radiant energy to thermal energy

b)

chemical energy to electrical energy

c)

electrical energy to mechanical energy

d)

chemical energy to thermal energy

80.

Which of the following is an example of chemical energy being converted into mechanical energy in organisms?

a)

Animals convert the food they eat to muscle movement.

b)

The weathering of Earth's surface breaks down rock to make soil.

c)

Lightning strikes dry vegetation in an open field and causes a fire.

d)

Plants store energy collected from sunlight in sugar they produce.

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