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Unit 3 Review

Total questions: 105

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
a)
radiation
b)
conduction
c)
convection
d)
insulation
2.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
a)
The pavement will conduct the heat and cook the egg.
b)
The egg will reflect the heat and make the pavement hotter underneath.
c)
The egg will absorb the heat  and leave the pavement hotter underneath.
d)
The pavement will absorb the heat from the egg, and the egg will stay raw.
3.
Which describes what can happen as a result of radiation?
a)
 A piece of wood burns in a fire.
b)
A shirt is hot after having been  ironed.
c)
A can of soup is heated in a pot on a stove.
d)
A car’s inside temperature rises  to over 100 degrees on a sunny day.
4.
John put a heat pack on his cold feet. What will most likely be the result?
a)
The cold from John’s feet will  be radiated into  the heat pack.
b)
The warmth of the heat pack will be radiated  onto John’s feet.
c)
The cold from John’s feet will be conducted  into the heat pack.
d)
The warmth of the heat pack will be conducted  onto John’s feet.
5.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
6.
Tom puts a metallic cover over his car’s windshield after parking. How does this control  the sun’s rays  during a sunny day?
a)
It prevents heat energy from leaving the car.
b)
It controls the temperature by providing shade.
c)
It reflects the sun’s rays away from the windshield.
d)
It absorbs heat in the windshield  protector and  cools the car.
7.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
8.
Which is an example of heat being transferred by conduction?
a)
a furnace heating the air in a school
b)
an ice cube melting in a person’s hand
c)
a pot of water on a stove boiling
d)
the sun heating water in a swimming pool
9.
Which best explains how bacon is fried on a stove burner?
a)
The bacon creates a convection current, the  heat rises to the pan, and then rises to the stove burner.
b)
The bacon transfers heat directly to the pan, and the pan transfers heat directly to  the stove burner.
c)
The stove burner radiates heat to the pan,  and the pan radiates heat to the bacon.
d)
The stove burner transfers heat directly  to the pan, and the pan directly  transfers heat to the bacon.
10.

A group of friends gather around a fire to stay warm. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

11.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

hotter to colder

b)

colder to hotter

c)

hotter to hotter

d)

colder to colder

12.

The baby chickens kept warm by the heat lamps. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

13.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of ________.

a)

convection

b)

conduction

c)

radiation

14.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

15.

Near the ceiling of a room the air is warmer. The warm air rises because of ________.

a)

conduction

b)

convection

c)

radiation

16.

Hot coffee is stirred with a spoon; the spoon gets hot due to ________.

a)

conduction

b)

convection

c)

radiation

17.

The kind of heat transfer that travels through space in electromagnetic waves is ______________________.

a)

convection

b)

radiation

c)

conduction

18.

The type of heat transfer that creates currents in water is called ________.

a)

conduction

b)

convection

c)

radiation

19.

A huge rock at the state park gets so hot during the day because of ________.

a)

conduction

b)

convection

c)

radiation

20.
a)

Conduction

b)

Radiation

c)

Convection

21.

The heat transferred from the Sun to the Earth by waves is called ________.

a)

conduction

b)

radiation

c)

convection

22.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
23.

A pot is placed directly on a stove. The pot gets hot due to ________.

a)

conduction

b)

convection

c)

radiation

24.

What form of heat transfer circulates the warm and cool air in a house?

a)

Conduction

b)

Radiation

c)

Convection

25.

Near the ceiling of a room the air is warmer. The warm air rises because of ...

a)

Conduction

b)

Radiation

c)

Convection

26.

In a swimming pool, the water near the surface is slightly warmer. THe warm water rises because ...

a)

Conduction

b)

Radiation

c)

Convection

27.

The metal skewer gets so hot that you drop your marshmallow in the campfire because of...

a)

Conduction

b)

Radiation

c)

Convection

28.

The cause of weather systems on earth is ...

a)

Conduction

b)

Radiation

c)

Convection

29.

A fireman feels a door and it is hot from the fire on the other side due to ...

a)

Conduction

b)

Radiation

c)

Convection

30.

You are in the top bunk of a bunk bed and you want to turn down the air conditioner on while your friend on the bottom bunk is fine is caused by ...

a)

Conduction

b)

Radiation

c)

Convection

31.

A hot air balloon rises into the sky because of ...

a)

Conduction

b)

Radiation

c)

Convection

32.

A chocolate bar melts in a car on a sunny day because of ...

a)

Conduction

b)

Radiation

c)

Convection

33.
Some students observing a classroom device being used, noticed the below energy transformations. 
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.
34.
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.
35.
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.
36.
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
37.
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
38.
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
39.
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
a)
chemical → light → electrical
b)
electrical → light → chemical
c)
light → electrical → chemical
d)
chemical → electrical → light
40.
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
41.
Which of the following shows the energy transformation that occurs when solar panels are used to heat a building?
a)
light → thermal
b)
chemical → electrical
c)
thermal → chemical
d)
light → mechanical
42.
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
43.
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
44.
Which of the following systems transforms chemical energy to light energy?
a)
Fan
b)
Lamp
c)
Compass
d)
Burning a candle
45.
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.
46.
Electrical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Chemical
d)
Electrical
47.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
48.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
49.
Electrical Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Electrical
d)
Thermal
50.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
51.
Chemical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Mechanical
d)
Chemical
52.
The Electrical Energy of the stove is transferred to _____ Energy.
a)
Solar
b)
Thermal
c)
Potential
d)
Electrical
53.
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.
54.
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
55.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
56.
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
57.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
58.
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
59.

According to the Law of Conservation of Energy, energy cannot be ______ or _______

a)

destroyed, determined

b)

created, nuclear

c)

destroyed, remade

d)

created,destroyed

60.

What type of energy is represented in the picture?

a)

potential

b)

chemical

c)

thermal

d)

mechanical

61.

Which of the following transfers occurs when food is digested?

a)

Chemical to mechanical

b)

Mechanical to thermal

c)

Mechanical to solar

d)

Chemical to thermal

62.

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

63.

Energy stored in the nucleus of an atom. Also known as atomic energy is

a)

electrical energy

b)

thermal energy

c)

element energy

d)

nuclear energy

64.

A hairdryer converts-

a)

chemical to electrical

b)

electrical to thermal

c)

electrical to solar

d)

thermal to mechanical to light

65.

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

a)

mechanical to potential

b)

mechanical to chemical to thermal

c)

chemical to mechanical

d)

chemical to thermal to kinetic

66.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
67.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
68.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
69.
Can you destroy energy?
a)
Yes
b)
No
70.
Can you create energy?
a)
Yes
b)
No
71.
Mr. Huff's students are complaining that it is hot in the classroom. He plugs in a fan and turns it on, what energy transformation now occurs?
a)
mechanical to electrical
b)
electrical to mechanical
c)
chemical to mechanical
d)
electromagnetic to mechanical
72.
In a nuclear power plant, uranium atoms are split in a process called “fission.”  This releases a tremendous amount of energy.  In order to provide this energy to factories and homes, the power plant converts the energy to –
a)
water
b)
oil
c)
natural gas
d)
electricity 
73.

Maria is looking for stationary to use for thank-you notes. She looks at the designs, prices, and sheet counts in the table. Are the Hearts or the Horses a better deal?

a)

Hearts

b)

Horses

c)

Trick question...they have the same unit rate.

74.

Boiling Water

a)

Conduction

b)

Convection

c)

Radiation

75.

Curling Iron

a)

Conduction

b)

Convection

c)

Radiation

76.

Weather Patterns

a)

Conduction

b)

Convection

c)

Radiation

77.

Sun Bathing

a)

Conduction

b)

Convection

c)

Radiation

78.

Mantle

a)

Conduction

b)

Convection

c)

Radiation

79.

Feet on Hot Sand

a)

Conduction

b)

Convection

c)

Radiation

80.

Lava Lamp

a)

Conduction

b)

Convection

c)

Radiation

81.

Hot Air in a Toaster

a)

Conduction

b)

Convection

c)

Radiation

82.

Microwaving Food

a)

Conduction

b)

Convection

c)

Radiation

83.

Heat Lamps

a)

Conduction

b)

Convection

c)

Radiation

84.

Cold Pack on Person

a)

Heat is transferred from the cold pack to the person.

b)

Heat is transferred from the person to the cold pack

c)

The cold pack is getting warmer. The person is getting colder.

d)

The cold pack is getting colder. The person is getting warmer.

85.

Hand Warmer in a Hand

a)

Heat is being transferred from the hand warmer to the hand.

b)

Heat is being transferred from the hand to the hand warmer.

c)

The hand is getting warmer. The hand warmer is getting cooler.

d)

The hand warmer is getting warmer. The hand is getting cooler.

86.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
87.
What are waves that can transfer heat through the vacuum of empty space?
a)
Electromagnetic waves
b)
Convection
c)
Conduction
d)
Heat
88.
What is the total amount of kinetic energy in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
89.
What is the energy of the movement of particles in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
90.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
91.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
92.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
93.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
94.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
95.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
96.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
97.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
98.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
99.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
100.
Work is:
a)
A transfer of energy by a force to move and object
b)
Something you get paid for
c)
Something you take home
d)
Makes you sweat
101.
On a roller coaster, where is maximum potential 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
102.
On a roller coaster, where is maximum potential 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
103.
On a roller coaster, where is 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
104.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
105.
This form of energy does NOT come from the sun.
a)
Solar
b)
Thermal
c)
Light
d)
Sound

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