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Heat

Total questions: 150

Worksheet time: 3hrs 26mins

Name
Class
Date
1.
What kind of heat is happening when the sun heats your body?
a)
conduction
b)
convection
c)
density
d)
radiation
2.
Heat always travels from _____ to ______ objects.
a)
hot to cold
b)
cold to hot
c)
cold to cold
d)
hot to hot
3.
What are some examples of heat transfer?
a)
conduction
b)
convection
c)
radiation
d)
all of the above
4.
When __________ occurs it will be warmer in the attic of your house than your basement.
a)
conduction
b)
convection
c)
radiation
d)
all of the above
5.
What is the definition of CONVECTION?
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
6.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
7.

What heat transfer happens when you burn your hand by touching a stove?

a)

Radiation

b)

Conduction

c)

Convectio

d)

I don't know!!!!!!!!!!!

8.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
9.
The way the heat is moving through the liquid of the  hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
10.
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
a)
Conduction.
b)
Convection.
c)
Radiation.
11.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
12.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
13.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
14.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
15.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
16.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
17.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
18.
You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction. 
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
19.
Where does CONDUCTION occur best?
a)
solids
b)
liquids
c)
gases
20.
Which is an example of radiation?
a)
getting warm by the fireplace
b)
touching a hot car on a warm summer day
c)
walking on a hot sidewalk and burning your feet
d)
touching a hot pot from the microwave
21.
Which is a good conductor?
a)
metal
b)
plastic
c)
styrofoam
d)
glass
22.
Which is a good insulator?
a)
plastic
b)
iron
c)
aluminum
d)
copper
23.
After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?
a)
Heat from his feet is transferred to the tile floor
b)
Heat from the tile floor is transferred to his feet
c)
Cold from the tile floor is transferred to his feet
d)
Cold from his feet is transferred to the tile floor
24.
Materials such as rubber, wood, and plastics that do not allow heat to pass through them easily are called-
a)
insulators
b)
conductors
c)
radiators
d)
solar collectors
25.
Observe the diagram. Which statement is true about the kinetic energy of the molecules in the containers?
a)
The molecules are moving faster in Diagram A
b)
The molecules are moving slower in Diagram A
c)
The molecules are moving at the same rate in both diagrams
26.
Based on the graph below, the two substances have reached-
a)
thermal equilibrium
b)
thermal entropy
c)
thermal conductivity
27.
What would be the thermal equilibrium temperature for a mixture of 5 ml of 10oC water with 5 ml of 20oC water?
a)
15oC
b)
30oC
c)
20oC
d)
10oC
28.
Molecular motion _________ when temperature is increased.
a)
Increases
b)
Decreases
29.
Atoms or molecules in a solid do not move until they are heated.
a)
True
b)
False
30.
A solid
a)
has particles that are far apart
b)
vibrates
c)
has particles that move around each other
31.
The energy of motion.
a)
Chemical Energy
b)
Internal Energy
c)
Kinetic Energy
d)
Potential Energy
32.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
33.
Insulation is used in the walls of a building to ____.
a)
trap solar energy
b)
keep thermal energy from moving through the walls
c)
conduct thermal energy
d)
keep cold air from moving through the walls
34.
When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?
a)
From the cold cup to your hand
b)
From the cold cup to the warm air
c)
From the ice to your hand
d)
From your warm hand to the cold cup.
35.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
36.
Energy is transferred as heat between two objects of ___________ temperatures. 
a)
differing
b)
same
37.
The measure of average kinetic energy of all the particles within an object is called ____________. 
a)
temperature
b)
conduction
c)
radiation
d)
heat 
38.
What is the meaning of conduction?
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
39.

Thermal Energy is

a)

the energy of electrons moving through a circuit

b)

the energy stored due to its position

c)

the energy of particles in motion which can be described as heat

d)

the energy of moving downhill

40.

A hot air balloon rising and falling as the balloon's air is heated or cooled is an example of which type of energy transfer?

a)

radiation

b)

convection

c)

conduction

41.

Lava in a lava lamp rising and falling as its heated and cools is an example of:

a)

conduction

b)

convection

c)

radiation

42.

Observe this picture. These diagrams support the fact that heat always moves:

a)

from something hot/warm toward something cold/cool

b)

from something cold/cool toward something hot/warm.

43.

A thermal insulator:

a)

does not allow heat to easily pass through it or escape.

b)

does allow heat to easily pass through it and escape.

44.
The temperature of a substance increases as___.
a)
the substance expands
b)
the average kinetic energy of its particles increases
c)
the substance's volume increases
d)
the substance's mass increases
45.
You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction. 
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
46.

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

a)

one reaches a temperature of zero

b)

they both have an equal temperature

c)

one runs out of energy

47.

Observe the diagram. Which statement is true about the kinetic energy of the molecules in the containers?

a)

The molecules are moving faster in Diagram A

b)

The molecules are moving slower in Diagram A

c)

The molecules are moving at the same rate in both diagrams

48.

All of the following are good thermal conductors, except for

a)

copper

b)

aluminum

c)

air

d)

silver

49.
When you touch something that feels cold, 
a)
heat from your hand moves into the cold substance.
b)
coldness moves from the cold substance into your hand.
c)
it melts.
d)
it freezes.
50.
Which activity for staying warm in a cold forest uses insulation?
a)
covering yourself with leaves
b)
getting out of wind by climbing to a higher spot
c)
sitting near water
d)
drinking a warm liquid
51.

A reliable measure of the hotness of an object is its _____________

a)

Heat

b)

Cold

c)

Temperature

d)

Heat , cold

52.

Temperature is measured by a device called ____________

a)

Stick

b)

Thermometer

c)

Clinical thermometer

d)

Laboratory thermometer

53.

A clinical thermometer read temperature from____________

a)

35°C to 42°C

b)

10°C to 110°C

c)

42°C to 35°C

54.

The normal temperature of human body is 37°C.

a)

True

b)

False

55.

The thermometer that measures the object is called_____________

a)

Clinical thermometer

b)

Maximum and minimum thermometer

c)

Laboratory thermometer

56.

The materials which allow heat to pass through them easily are called___________

a)

Conductors

b)

Insulators

c)

Heat

d)

Radiation

57.

______________ is the mode of heat transfer in liquids and gases

a)

Conduction

b)

Radiation

c)

Convection

58.

Temperature is measured in degree __________

a)

Celsius

b)

Conduction

c)

Convection

d)

Fahrenheit

59.

One litre of water at 30 °C is mixed with one litre of water at 50°C . The Temperature of the mixture will be

a)

80°C

b)

20°C

c)

More than 50°C but less than 80°C

d)

Between 30°C and 50°C

60.

What is the S.I. unit of heat

(a)  

61.

Heat always flows

a)

FROM A COLDER OBJECT TO HOTTER OBJECT

b)

FROM A HOTTER OBJECT TO COLDER OBJECT

c)

BOTH THE WAYS

d)

NONE OF THESE

62.

Which one is filled in the bulb of thermometer?

a)

MERCURY

b)

LEAD

c)

COPPER

d)

SILVER

63.

Conduction is the method of transfer of heat in

a)

LIQUIDS

b)

SOLIDS

c)

GASES

d)

VACUUM

64.

Heat from the sun reaches to us by

a)

RADITION

b)

CONDUCTION

c)

CONVECTION

d)

ALL OF THESE

65.

Which scale is used in clinical thermometer nowadays ?

a)

CELSIUS SCALE

b)

FAHRENHEIT SCALE

c)

BOTH (A) AND (B)

d)

NONE OF THESE

66.
what is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
67.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
68.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
69.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
70.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
71.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
72.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
73.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
74.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
75.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
76.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
77.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
78.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
79.
Heat is a form of _______________.  
a)
movement
b)
energy
c)
melting
80.
Heat makes things _______________________
a)
colder
b)
warmer
c)
faster
81.
Does this give off heat? 
a)
yes 
b)
no
82.
Touching hot sand is.... 
a)
Conduction
b)
Convection
c)
Radiation 
83.
Hot air ______ while cool air ____
a)
Sinks, Rises
b)
Rises, Rises
c)
Rises, Sinks
d)
Convection, Radiation 
84.
Boiling water is an example of what two types of heat transfer
a)
Conduction and Radiation
b)
Conduction and Convection
c)
Radiation and Convection
85.
When water from a lake evaporates...
a)
Conduction
b)
Convection
c)
Radiation 
86.
Rubber is considered an _____
a)
Conductor
b)
Insulator
c)
Radiation 
d)
None of the above
87.
Energy that is transferred from hotter objects to cooler objects is... 
a)
Thermal/Heat
b)
Temperature
c)
Electricity
d)
Conduction 
88.
When you touch a cold window, how is energy being transferred?
a)
The window transfers heat to you 
b)
You transfer heat to the window
c)
The sun transfers heat to you
d)
None of the above
89.
Which of the following is not an example of convection
a)
Cool breeze coming off the ocean
b)
Water boiling when you make Mac & Cheese
c)
A fireplace heating up a room
d)
Lighting a candle 
90.

The balloon increases in size because

a)

The air inside the balloon expands on heating

b)

The air increases its weight on heating

91.

The liquid (Mercury ) rises in thermometer if, kept in hot water bath because

a)

Liquid expands on heating

b)

Liquid contracts on heating

c)

Mercury moves if its disturbed

92.
If an object has greater mass, it has greater
a)
Temperature
b)
Thermal Energy
c)
Heat 
d)
All of the above 
93.
My hands feel warm because 
a)
The temperature is cold outside
b)
The molecules are moving
c)
The heat is transferring 
94.

When air is heated, what happens to its mass?

a)

increases

b)

decreases

c)

remains the same

95.

When air is heated, its density ___________.

a)

increases

b)

decreases

c)

remains the same

96.

The diagram shows some rice being boiled in a pan. What is the main methods by which thermal energy is transferred (i) through the metal pan and

(ii) through the water?

a)

(i) conduction (ii) conduction

b)

(i) convection (ii) convection

c)

(i) conduction (ii) convection

d)

(i) convection (ii) conduction

97.

In the process of convection, energy is transferred _________.

a)

because of temperature differences in a solid

b)

because of density differences in a liquid

c)

by the diffusion of molecules throughout a fluid

d)

by the vibration of molecules

98.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
99.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
100.
If an object has particles that are moving very slowly, the object's temperature is probably ______.
a)
hot
b)
small
c)
cold
d)
big
101.

A reliable measure of the hotness of an object is its _____________

a)

Heat

b)

Cold

c)

Temperature

d)

Heat , cold

102.

Temperature is measured by a device called ____________

a)

Stick

b)

Thermometer

c)

Clinical thermometer

d)

Laboratory thermometer

103.

A clinical thermometer read temperature from____________

a)

35°C to 42°C

b)

10°C to 110°C

c)

42°C to 35°C

104.

The normal temperature of human body is 37°C.

a)

True

b)

False

105.

The thermometer that measures the object is called_____________

a)

Clinical thermometer

b)

Maximum and minimum thermometer

c)

Laboratory thermometer

106.

The materials which allow heat to pass through them easily are called___________

a)

Conductors

b)

Insulators

c)

Heat

d)

Radiation

107.

______________ is the mode of heat transfer in liquids and gases

a)

Conduction

b)

Radiation

c)

Convection

108.

Temperature is measured in degree __________

a)

Celsius

b)

Conduction

c)

Convection

d)

Fahrenheit

109.

One litre of water at 30 °C is mixed with one litre of water at 50°C . The Temperature of the mixture will be

a)

80°C

b)

20°C

c)

More than 50°C but less than 80°C

d)

Between 30°C and 50°C

110.

What is the S.I. unit of heat

(a)  

111.

Heat always flows

a)

FROM A COLDER OBJECT TO HOTTER OBJECT

b)

FROM A HOTTER OBJECT TO COLDER OBJECT

c)

BOTH THE WAYS

d)

NONE OF THESE

112.

Which one is filled in the bulb of thermometer?

a)

MERCURY

b)

LEAD

c)

COPPER

d)

SILVER

113.

Conduction is the method of transfer of heat in

a)

LIQUIDS

b)

SOLIDS

c)

GASES

d)

VACUUM

114.

Heat from the sun reaches to us by

a)

RADITION

b)

CONDUCTION

c)

CONVECTION

d)

ALL OF THESE

115.

Which scale is used in clinical thermometer nowadays ?

a)

CELSIUS SCALE

b)

FAHRENHEIT SCALE

c)

BOTH (A) AND (B)

d)

NONE OF THESE

116.
what is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
117.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
118.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
119.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
120.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
121.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
122.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
123.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
124.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
125.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
126.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
127.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
128.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
129.
Heat is a form of _______________.  
a)
movement
b)
energy
c)
melting
130.
Heat makes things _______________________
a)
colder
b)
warmer
c)
faster
131.
Does this give off heat? 
a)
yes 
b)
no
132.
Touching hot sand is.... 
a)
Conduction
b)
Convection
c)
Radiation 
133.
Hot air ______ while cool air ____
a)
Sinks, Rises
b)
Rises, Rises
c)
Rises, Sinks
d)
Convection, Radiation 
134.
Boiling water is an example of what two types of heat transfer
a)
Conduction and Radiation
b)
Conduction and Convection
c)
Radiation and Convection
135.
When water from a lake evaporates...
a)
Conduction
b)
Convection
c)
Radiation 
136.
Rubber is considered an _____
a)
Conductor
b)
Insulator
c)
Radiation 
d)
None of the above
137.
Energy that is transferred from hotter objects to cooler objects is... 
a)
Thermal/Heat
b)
Temperature
c)
Electricity
d)
Conduction 
138.
When you touch a cold window, how is energy being transferred?
a)
The window transfers heat to you 
b)
You transfer heat to the window
c)
The sun transfers heat to you
d)
None of the above
139.
Which of the following is not an example of convection
a)
Cool breeze coming off the ocean
b)
Water boiling when you make Mac & Cheese
c)
A fireplace heating up a room
d)
Lighting a candle 
140.

The balloon increases in size because

a)

The air inside the balloon expands on heating

b)

The air increases its weight on heating

141.

The liquid (Mercury ) rises in thermometer if, kept in hot water bath because

a)

Liquid expands on heating

b)

Liquid contracts on heating

c)

Mercury moves if its disturbed

142.
If an object has greater mass, it has greater
a)
Temperature
b)
Thermal Energy
c)
Heat 
d)
All of the above 
143.
My hands feel warm because 
a)
The temperature is cold outside
b)
The molecules are moving
c)
The heat is transferring 
144.

When air is heated, what happens to its mass?

a)

increases

b)

decreases

c)

remains the same

145.

When air is heated, its density ___________.

a)

increases

b)

decreases

c)

remains the same

146.

The diagram shows some rice being boiled in a pan. What is the main methods by which thermal energy is transferred (i) through the metal pan and

(ii) through the water?

a)

(i) conduction (ii) conduction

b)

(i) convection (ii) convection

c)

(i) conduction (ii) convection

d)

(i) convection (ii) conduction

147.

In the process of convection, energy is transferred _________.

a)

because of temperature differences in a solid

b)

because of density differences in a liquid

c)

by the diffusion of molecules throughout a fluid

d)

by the vibration of molecules

148.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
149.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
150.
If an object has particles that are moving very slowly, the object's temperature is probably ______.
a)
hot
b)
small
c)
cold
d)
big

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