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energy transformations 2

Total questions: 65

Worksheet time: 44mins

Name
Class
Date
1.

Light, x-rays and microwaves are all examples of ____________ energy.

a)

thermal

b)

chemical

c)

gravitational

d)

radiant

2.

______________ energy is the movement or flow of electrons.

a)

elastic

b)

thermal

c)

radiant

d)

electrical

3.

__________ energy It is the energy associated with the motion and position of an object.

a)

electric

b)

gravitational

c)

mechanical

d)

sound

4.

______________ energy is energy from mechanical waves vibrating through matter.

a)

gravitational

b)

mechanical

c)

sound

d)

elastic

5.

___________ energy is energy from the movement of atoms and molecules.

a)

thermal

b)

mechanical

c)

nuclear

d)

chemical

6.

___________ energy is energy stored in the chemical bonds of molecules.

a)

electric

b)

nuclear

c)

chemical

d)

thermal

7.

_____________ energy is the energy an object has due to its position and its mass in a gravitational field.

a)

mechanical

b)

gravitational

c)

nuclear

d)

elastic

8.

_______________ is the potential energy that an object has when it is stretched out or deformed.

a)

mechanical

b)

elastic

c)

radiant

d)

electric

9.

________________ energy is energy from the inside of atoms.

a)

electric

b)

thermal

c)

nuclear

d)

chemical

10.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
11.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
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.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

a)

chemical to mechanical to electrical to radiant

b)

radiant to electrical to sound

c)

chemical to radiant to mechanical to electrical

d)

electric to radiant to chemical

14.
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
15.
An example of electrical energy to heat energy.
a)
using a match to warm liquid
b)
using a hotplate to boil water
c)
growing plants in the window
d)
mixing chemicals to produce heat
16.
A toy robot can walk and talk and runs on batteries. What type of energy is stored in the batteries?
a)
Chemical
b)
Kinetic
c)
Nuclear
d)
Thermal
17.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
18.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
19.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
20.

When plants use photosynthesis to make their own food they transform ______________ energy into _______________ energy.

a)

chemical, radiant

b)

radiant, chemical

c)

thermal, chemical

d)

chemical, thermal

21.

A flashlight performs what energy transformation?


¿Qué transformación de energía realiza una linterna?

a)

Electrical ➔ Chemical

b)

Chemical ➔ Light

c)

Thermal ➔ Light

d)

Chemical ➔ Nuclear

22.

A toaster performs what energy transformation?


¿Qué transformación de energía realiza una tostadora?

a)

Electrical ➔ Thermal

b)

Chemical ➔ Light

c)

Thermal ➔ Electrical

d)

Chemical ➔ Thermal

23.

A plant performs what energy transformation?


¿Qué transformación de energía realiza una planta?

a)

Electrical ➔ Thermal

b)

Chemical ➔ Light

c)

Light ➔ Chemical

d)

Light ➔ Mechanical

24.

A car performs what energy transformation?


¿Qué transformación de energía realiza un coche?

a)

Electrical ➔ Thermal

b)

Chemical ➔ Mechanical

c)

Light ➔ Chemical

d)

Chemical ➔ Nuclear

25.

A windmill performs what energy transformation?


¿Qué transformación de energía realiza un molino de viento?

a)

Electrical ➔ Thermal

b)

Chemical ➔ Mechanical

c)

Mechanical ➔ Chemical

d)

Mechanical ➔ Electrical

26.

After a person ate a meal, she went on a run. What energy transformation is happening?

a)

mechanical→ thermal energy

b)

chemical→ mechanical energy

c)

radiation→ chemical energy

d)

chemical→ radiation energy

27.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
28.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
29.

What energy conversions take place when you vigorously rub your hands together?

a)

friction => heat

b)

chemical => thermal

c)

mechanical => thermal

d)

kinetic => chemical

30.

Which type of energy propels a baseball after it has been struck by a bat?

a)

chemical

b)

thermal

c)

mechanical

d)

nuclear

31.

Which of the following devices transforms electrical energy into mechanical energy?

a)

Smartphone

b)

Fan

c)

Windmill

d)

River

32.

On a roller coaster, where is the maximum kinetic energy?

a)

At the bottom of a big hill

b)

When going around a corner

c)

When going upside down

d)

At the top of a big hill

33.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
34.

The roller coaster cart has the most kinetic energy at position-

a)

W

b)

X

c)

Y

d)

Z

35.

Energy is the ability to do work or cause changes.

a)

True

b)

False

36.

Step 1: Strong wind moves a wind turbine. This is _____ energy.

Step 2: The spinning turbine operates a generator. The energy from Step 1 is converted into _______ energy.

Step 3: Electricity is used to power a saw. The energy from Step 2 is converted into ________ energy.

a)

mechanical energy

b)

electrical

c)

wind

37.

Step 1: Strong wind moves a wind turbine. This is _____ energy.

Step 2: The spinning turbine operates a generator. The energy from Step 1 is converted into _______ energy.

Step 3: Electricity is used to power a saw. The energy from Step 2 is converted into ________ energy.

a)

mechanical energy

b)

electrical

c)

wind

38.

Step 1: Strong wind moves a wind turbine. This is _____ energy.

Step 2: The spinning turbine operates a generator. The energy from Step 1 is converted into _______ energy.

Step 3: Electricity is used to power a saw. The energy from Step 2 is converted into ________ energy.

a)

mechanical energy

b)

electrical

c)

wind

39.

Step 1: Gasoline fuel is used in many cars. This is _____ energy.

Step 2: Starting the ignition starts a chain of events that causes the gasoline to burn. The energy from Step 1 is converted into _______ energy.

Step 3: Burning gasoline causes the engine parts to move. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

chemical

c)

thermal

40.

Step 1: Gasoline fuel is used in many cars. This is _____ energy.

Step 2: Starting the ignition starts a chain of events that causes the gasoline to burn. The energy from Step 1 is converted into _______ energy.

Step 3: Burning gasoline causes the engine parts to move. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

chemical

c)

thermal

41.

Step 1: Gasoline fuel is used in many cars. This is _____ energy.

Step 2: Starting the ignition starts a chain of events that causes the gasoline to burn. The energy from Step 1 is converted into _______ energy.

Step 3: Burning gasoline causes the engine parts to move. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

chemical

c)

thermal

42.

Step 1: The sun gives off large amounts of heat/thermal energy and _____ energy.

Step 2: Plants use sunlight to make food. The energy from Step 1 is converted into _______ energy.

Step 3: Food energy is stored in the cow's muscles as ________ energy.

a)

chemical

b)

nuclear

c)

mechanical

or thermal

43.

Step 1: The sun gives off large amounts of heat/thermal energy and _____ energy.

Step 2: Plants use sunlight to make food. The energy from Step 1 is converted into _______ energy.

Step 3: Food energy is stored in the cow's muscles as ________ energy.

a)

chemical

b)

nuclear

c)

mechanical

or thermal

44.

Step 1: The sun gives off large amounts of heat/thermal energy and _____ energy.

Step 2: Plants use sunlight to make food. The energy from Step 1 is converted into _______ energy.

Step 3: Food energy is stored in the cow's muscles as ________ energy.

a)

chemical

b)

nuclear

c)

mechanical

or thermal

45.

Step 1: Coal is used as fuel in a power plant. This is _____ energy.

Step 2: The coal burns, causing the water to boil. The boiling water is converted to steam. The energy from Step 1 is converted into _______ energy.

Step 3: High-pressure steam spins the turbine. The energy from Step 1 is converted into _______ energy.

a)

thermal

b)

chemical

c)

mechanical

46.

Step 1: Coal is used as fuel in a power plant. This is _____ energy.

Step 2: The coal burns, causing the water to boil. The boiling water is converted to steam. The energy from Step 1 is converted into _______ energy.

Step 3: High-pressure steam spins the turbine. The energy from Step 1 is converted into _______ energy.

a)

thermal

b)

chemical

c)

mechanical

47.

Step 1: Coal is used as fuel in a power plant. This is _____ energy.

Step 2: The coal burns, causing the water to boil. The boiling water is converted to steam. The energy from Step 1 is converted into _______ energy.

Step 3: High-pressure steam spins the turbine. The energy from Step 1 is converted into _______ energy.

a)

thermal

b)

chemical

c)

mechanical

48.

Step 1: You plug your hair dryer into an electrical outlet, which provides it with _____ energy.

Step 2: When you turn the hair dryer on, the motorized fan turns on and spins. The energy from Step 1 is converted into _______ energy.

Step 3: The heat from the hair dryer dries your hair. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

thermal

c)

electrical

49.

Step 1: You plug your hair dryer into an electrical outlet, which provides it with _____ energy.

Step 2: When you turn the hair dryer on, the motorized fan turns on and spins. The energy from Step 1 is converted into _______ energy.

Step 3: The heat from the hair dryer dries your hair. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

thermal

c)

electrical

50.

Step 1: You plug your hair dryer into an electrical outlet, which provides it with _____ energy.

Step 2: When you turn the hair dryer on, the motorized fan turns on and spins. The energy from Step 1 is converted into _______ energy.

Step 3: The heat from the hair dryer dries your hair. The energy from Step 2 is converted into ________ energy.

a)

mechanical

b)

thermal

c)

electrical

51.

Electrical Energy used by this stove is transferred to _____ Energy.

a)
Thermal
b)
Solar
c)
Electrical
52.

When you eat pizza, the Chemical Energy in it is transformed to _____ Energy in your body

a)
Solar
b)
Electrical
c)

Mechanical

or thermal

53.

The fan uses Electrical Energy and it is transformed to _____ Energy.

a)
Mechanical
b)
Solar
c)
Electrical
54.
The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?
a)
mechanical → electrical → light
b)
electrical → mechanical → light
55.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
56.

What is the energy transformation for this drummer?

a)
Mechanical to Kinetic to Sound
b)
Mechanical to Electrical to Light
57.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
chemical to electrical
58.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
59.

What kind of energy does this plasma tv need to turn on?

a)
Chemical
b)
Electrical
c)
Thermal
60.

The chemical energy in the batteries travels through wires and then turns into sound in which a student can listen to music. Which best describes the energy transformations that takes place in the music player?

a)
Mechanical to chemical to electrical
b)
Chemical to sound to electrical
c)
Chemical to electrical to sound
61.

Which statement best describes the energy of a roller coaster as it slows down while traveling to the top of the coaster?

a)

The coaster cart gains both kinetic and potential energy.

b)

The coaster cart gains kinetic energy and loses potential energy.

c)

The coaster cart loses kinetic energy and gains potential energy.

d)

The coaster cart loses both kinetic and potential energy.

62.

A teacher heats up their lunch in the microwave. What energy transformations occur between the microwave and the food?

a)

Electrical to light to chemical

b)

Chemical to thermal to light

c)

Electrical to electromagnetic to thermal

d)

Electrical to electromagnetic to chemical

63.

The diagram shows how a steam engine in a train works. Which description of the energy conversions in the process is correct?

a)

The chemical energy in the coal is converted to thermal energy, which is then converted to mechanical energy.

b)

The mechanical energy in the coal is converted to electrical energy, which is then converted to thermal energy.

c)

The electrical energy in the coal is converted to mechanical energy, which is then converted to thermal energy.

d)

The thermal energy in the coal is converted to electrical energy, which is then converted to mechanical energy.

64.

Which answer choice correctly describes the roller coaster's kinetic and potential energy?

a)

The coaster has more potential energy at point 3 than at point 4.

b)

The coaster has more kinetic energy at point 3 than point 2.

c)

The potential and kinetic energy of the coaster are equal at point 4.

d)

The potential and kinetic energy of the coaster are the greatest at point 1.

65.

A rock falls off a cliff that is 100m above the ocean. If no air resistance is present, during the fall there will be a decrease in the rock's -

a)

gravitational potential energy

b)

total mechanical energy

c)

kinetic energy

d)

momentum