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Year 9 Heat revision

Total questions: 201

Worksheet time: 3hrs 9mins

Name
Class
Date
1.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

2.

Which will heat up slower?

a)

water

b)

lead

c)

granite

d)

iron

3.
If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?
a)
100 mL
b)
1000 mL
c)
They both heat up at the same speed
d)
They cool down.
4.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

There is more water than sand at the beach.

d)

There is more sand than water at the beach.

5.
When a  piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?
a)
50°
b)
0°
c)
100°
d)
150°
6.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
7.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

8.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
9.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
10.
Specific heat of water is  4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
a)
Water
b)
Wood
c)
Both are same
11.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
12.

What letter is used to represent specific heat capacity?

a)

H

b)

P

c)

C

d)

T

13.
What is Specific Heat?
a)
The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
b)
The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
c)
The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
d)
The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.
14.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

There is more water than sand at the beach.

d)

There is more sand than water at the beach.

15.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

16.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
17.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
18.
What is the measurement of the average kinetic energy of a substance?
a)
Kinetic energy
b)
Temperature
c)
Thermal energy
d)
Potential energy
19.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
20.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
21.
What is the energy of the movement of particles in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
22.
Heat transfers from an area of ________temperature to an area of ______ temperature.
a)
high to low
b)
low to high
c)
high to high
23.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
24.
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.
25.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
26.
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
27.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
28.

Which of the following is not a method for heat transfer

a)

Radiation

b)

Insulation

c)

Conduction

d)

Convection

29.

In which of the following state are the particles closest together?

a)

Fluid

b)

Gas

c)

Liquid

d)

Solid

30.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

31.
Which of the following is needed for convection to happen?
a)
Fluid/s
b)
Light in the form or rays
c)
Electromagnetic waves
d)
Fire
32.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
33.
How many kinds of heat transfer are there?
a)
1
b)
2
c)
3
d)
4 or more
34.
The transfer of heat by currents through liquids of gases is called
a)
Perspiration
b)
Radiation
c)
Conduction
d)
Convection
35.
Radiation= 
a)
physical contact
b)
warm air rising
c)
heat moving through empty space
d)
say what?
36.

The transfer of energy by waves or particles is called

a)

conduction

b)

convection

c)

radiation

d)

insulation

37.

A material that reduces the flow of heat is a(n)

a)

conductor

b)

insulator

c)

metal

d)

radiator

38.

All of the following are good conductors of heat EXCEPT

a)

Copper

b)

Iron

c)

Plastic

d)

Aluminum

39.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
40.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
41.

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

a)

conduction

b)

convection

c)

radiation

42.

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

a)

conduction

b)

convection

c)

radiation

43.

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

44.

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

d)

insulation.

45.

Which of the following is the best example of conduction?

a)

A light bulb warming a lampshade

b)

An egg cooking in a frying pan

c)

Water boiling in a pot

d)

Gases circulating in the atmosphere

46.

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through

a)

conduction

b)

convection

c)

radiation

47.

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

a)

conduction

b)

convection

c)

radiation

48.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

49.

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

a)

conduction

b)

convection

c)

radiation

50.
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.
51.
Jordan places a hot spoon into a container of ice cream. How does this help him scoop  out the ice cream? 
a)
The coolness from the ice cream is conducted to the spoon making it easier to scoop out.
b)
The coolness from the ice cream is radiated to the spoon making it easier to scoop out.
c)
The warmth of the spoon is conducted to the ice cream  making it easier to scoop out.
d)
The warmth of the spoon is radiated  to the ice cream making it easier to scoop out.
52.
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.
53.
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.
54.
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.
55.
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.
56.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
57.
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
58.
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.
59.

What thermal energy transfer is shown here?

a)

Conduction

b)

Convection

c)

Radiation

60.

Transfers thermal energy through electromagnetic rays.

a)

Conduction

b)

Convection

c)

Radiation

61.

What thermal energy transfer is shown here?

a)

Conduction

b)

Convection

c)

Radiation

62.

Match these heat transfers

a)
1.

Conduction

b)
2.

Convection

c)
3.

Radiation

63.

Scoopy McScooperson places a spoon in warm water for a few minutes. Then, he uses it to easily scoop out ice cream. This is because the warm spoon ​ ​ (a)   heat to the ice cream, melting it and making it easier to scoop.

Choose from the below words
conducts
radiates
conveys
64.

Select all that apply. Which of the following are examples of radiation?

a)

microwave

b)

Sunlight

c)

Fire

d)

touching a piece of hot metal

65.

An important idea about temperature and the particle theory is that the motion of particles increases when the temperature increases. Which statement below is correct?

a)

As the motion of particles decreases the temperature remains the same

b)

As the temperature decreases the motion of the particles also increases

c)

As the temperature decreases the motion of the particles decreases

d)

As the temperature increases the motion of the particles decreases

66.

As more heat is transferred to a solid, the particles vibrate and some of the particles in the solid break loose. The solid begins to change state. This is an example of...

a)

Heating a solid

b)

Heating a liquid

c)

Melting a solid

d)

Freezing a liquid

67.

When heat is added to or removed from moving particles it changes their

a)

Physical characteristics

b)

Speed

c)

Ability to change state

d)

Size

68.

In a liquid the particles are moving quickly. When heat is added they have more energy, but this energy is transferred from particle to particle in a different way than in a solid. The reason for this is because of the...

a)

Speed of the particles

b)

Space between the particles

c)

Types of particles

d)

Temperature of the particles

69.

All matter is made up of tiny _______________

a)

energy

b)

particles (atoms and molecules)

c)

bits

d)

antimatter

70.

The particles of ___________________ are tightly packed.

a)

solids

b)

liquids

c)

gases

d)

none

71.

The particles of liquids can:

a)

vibrate

b)

move past each other

c)

both

d)

none

72.

Heat and Temperature are ______

a)

same

b)

different

c)

opposites

73.

Heat is a form of ________

a)

power

b)

energy

c)

temperature

74.

Heat is measured in ________

a)

degrees

b)

grams

c)

Joules

75.

Temperature is measured in ________

a)

degrees

b)

grams

c)

Joules

76.

The scales used for Temperature are Celsius, Fahrenheit, and _______

a)

Kalvin

b)

Kelvin

c)

Celvin

77.

Temperature is ____________

a)

thermal energy

b)

a measure of how hot or cold an object is,

c)

is the transfer of energy from one object to another.

78.

How does the thermal energy of the liquid in the larger beaker compare to the thermal energy of the liquid in the smaller beaker?

a)

The liquid in the larger beaker has less thermal energy than the liquid in the smaller beaker.

b)

The liquid in the larger beaker has more thermal energy than the liquid in the smaller beaker.

c)

The liquid in the larger beaker has the same amount of thermal energy as the liquid in the smaller beaker.

d)

The exact volume of the liquid in each beaker must be known to compare the thermal energy of the liquids.

79.

Which description defines heat?

a)

total thermal energy of an object or substance

b)

change in the temperature of a substance in degrees Celsius

c)

energy transferred between objects at different temperatures

d)

average kinetic energy of the particles that make up a substance

80.

Kito puts his spoon into a helping of fresh, hot, mashed potatoes as shown in the picture. Which process takes place when the objects come together?

a)

The temperature of the spoon increases, but its thermal energy does not change.

b)

Energy in the form of heat is transferred by conduction from the warmer mashed potatoes to the cooler spoon.

c)

The thermal energy of both the mashed potates and the spoon increase as the energy in the form of heat is transferred between them.

d)

The average temperature of the spoon does not change.

81.

As energy in the form of heat is added to an ice cube, it begins to melt. What causes melting.

a)

Heat causes the molecules to expanded and forces them apart.

b)

Heat removes thermal energy from the ice cube and causes it to become liquid water.

c)

Adding energy causes the bonds between the hydrogen and oxygen in the ice cube to break.

d)

The transfer of thermal energy to the ice cube causes its molecules to move faster.

82.

Which example illustrate the transfer of energy through RADIATION?

a)

feeling warmth when you sit in a sunny place.

b)

feeling warm air while standing in front of the blower from a heating system.

c)

feeling the warmth of the bricks around a fireplace by touching them with your hand.

d)

feeling warmth on the soles of your feet when you walk along the beach on a sunny day.

83.

Emily has a cup of hot cocoa on the counter to cool off so she can drink it safely. She watches the steam rise from the hot cocoa. Which type of thermal energy transfer is occurring as the steam rises into the surrounding air?

a)

conduction

b)

convection

c)

radiation

d)

transformation

84.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
85.
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?
a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Venti
d)
All three are the same temperature so they have same thermal energy
86.
The faster molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
87.

Heat is defined as

a)

the transfer of thermal energy from one object to another due to temperature difference

b)

the temperature of a solid, liquid, or gas

c)

The kinetic energy of a solid, liquid, or gas.

88.

Select the temperature in °C

a)

40°C

b)

100°C

c)

96°C

d)

36°C

89.

Select the temperature in °C

a)

40°C

b)

100°C

c)

96°C

d)

36°C

90.

Select the temperature in °C

a)

54°C

b)

12°C

c)

20°C

d)

60°C

91.

Select the temperature in °C

a)

2°C

b)

34°C

c)

40°C

d)

10°C

92.

Look at the thermometer and select the closest temperature in degrees Celsius:

a)

15°C

b)

70°C

c)

20°C

d)

65°C

93.
What is the temperature on this thermometer in Celsius degrees?
a)
 32° Fahrenheit       
b)
 0° Celsius       
c)
 0° Fahrenheit       
d)
 40° Fahrenheit       
94.
Which thermometers temperature is about  25° Celcius?
a)
Blue
b)
Green
c)
Blue
d)
Blue and Green
95.
What tool do we use to measure temperature?
a)
Thermometer
b)
Ruler
c)
Balance
d)
Magnifying Glass
96.

the temperature scale on which 0 is the temp at which no more energy can be removed

a)

absolute zero

b)

Fahrenheit scale

c)

Kelvin scale

d)

Celsius scale

97.

the temperature scale on which water freezes at 0 and boils at 100

a)

Kelvin scale

b)

conduction

c)

Fahrenheit scale

d)

Celsius scale

98.

the temperature at which no more energy can be removed from matter

a)

temperature

b)

convection

c)

absolute zero

d)

radiation

99.

Two objects with different temperature in thermal contact will reach thermal equilibrium when.....

a)

both object becomes hotter

b)

both objects become colder

c)

both object reach the same final temperature

d)

net heat transfer other than zero

100.

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

a)

Thermal Energy

b)

Cooler to Warmer

c)

Energy Transfer

d)

Thermal Equilibrium

101.
heat always travels from _____ to ______ objects
a)
hot to cold
b)
cold to hot
c)
cold to cold
d)
hot to hot
102.

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

a)

The temperature of both the oatmeal and the spoon stay the same

b)

The spoon and the oatmeal become the same temperature

c)

Only the temperature of the oatmeal will change

d)

Only the temperature of the spoon will change

103.

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

a)

The coldness from the ice moved into the water

b)

The coldness and the heat moved back and forth until the water cooled off.

c)

The heat from the water moved into the ice.

d)

The water does not cool of

104.

Heating will continue until what is reached?

a)

Energizers

b)

Equilibrium

c)

Equality

d)

Energy

105.

Two objects with different temperature in thermal contact will reach thermal equilibrium when.....

a)

both object becomes hotter

b)

both objects become colder

c)

both object reach the same final temperature

d)

net heat transfer other than zero

106.
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
107.
The hot water is added to the cold water.
Which of the following statements is correct if there are no heat losses to the surrounding?
a)
The heat gained by the cold water is greater than the heat lost by the hot water
b)
The heat gained by the cold water is equal to the heat lost by the hot water
c)
The heat lost by the hot water is less than the heat gained by the cold water
d)
The heat gained by the cold water is less than the heat lost by the hot water
108.

What type of thermal energy transfer is number 2 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

109.

heat flows through

a)

conduction

b)

convection

c)

radiation

110.

heat flow from

a)

hot object to cold object

b)

cold object to hot object

111.

Which pin or paperclip dropped off the metal rod first?

a)

The one closest to the Bunsen burner

b)

the one furthest from the Bunsen burner

112.

the spoon become hot hot because heat is transfer through

a)

conduction

b)

convection

c)

radiation

113.
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.
114.

Which image shows particles in a solid?

a)
b)
c)
115.

Heat is...

a)

a form of energy

b)

a temperature change

c)

the warmth from the sun

d)

a type of chemical formula

116.

heat describes...

a)

the temperature of an object

b)

the total energy of all the particles within an object

c)

the sunburn from the sun

d)

boiling water

117.

Two spas are heated. One has more water than the other. Which will have more heat energy?

a)

more water

b)

less water

118.

temperature tells us...

a)

how hot or cold something is

b)

how much heat is on the outside

c)

what time it is

d)

what to eat for lunch

119.

Which is NOT a type of heat transfer?

a)

conduction

b)

convection

c)

radiation

d)

kelvination

120.

Conduction is a type of heat transfer that relates to

a)

solids

b)

liquids

c)

gases

d)

humans

121.

what type of heat transfer is when heat is passed by vibrating particles?

a)

conduction

b)

convection

c)

radiation

d)

toasted sandwich

122.

holding an ice cube and holding a cup of tea are examples of what type of heat transfer?

a)

conduction

b)

convection

c)

raditaion

d)

solar power

123.

A conductor is a substance that...

a)

allows heat to flow through it

b)

blocks heat

c)

radiates heat

d)

sucks out heat

124.

an insulator is a substance that...

a)

does not conduct heat

b)

flows heat

c)

reflects heat

d)

absorbs heat

125.

the transfer of heat through a liquid or gas is called

a)

convection

b)

conduction

c)

radiation

d)

solar

126.

boiling water, a fire, a lava lamp and a cool sea breeze are examples of what type of heat transfer?

a)

convection

b)

conduction

c)

solar

d)

radiation

127.

this image represents what type of heat transfer?

a)

convection

b)

conduction

128.

radiation is the movement of heat in electromagnetic waves

a)

true

b)

false

129.

sunlight is a form of radiation (heat transfer)

a)

true

b)

false

130.

what types of energy transfer is shown here

a)

heat transfer

b)

light transfer

c)

sound transfer

131.

which would NOT be a good conductor?

a)

copper

b)

aluminium

c)

wood

d)

silver

132.

which would NOT be a good insulator?

a)

glass

b)

aluminium

c)

rubber

d)

wood

133.

some pots and pans have handles that get hot when used, what does this mean? (select 2)

a)

they are good conductors

b)

they are poor insulators

c)

they are good insulators

d)

they are poor conductors

134.

what is happening in the particles here? what type of heat transfer is this?

a)

conduction- particles are vibrating

b)

convection- heat transfer through air

c)

radiation- heat transfer through electromagnetic wave

135.

Which of the following are units of temperature?

a)

°C

b)

J

c)

W

d)

°F

136.

Conduction is a method of heat transfer in which of the following?

a)

Solids

b)

Liquids

c)

Gases

d)

Vacuum

137.

The water cycle uses the principle of convection. In which of the following does convection occurs?

a)

Solids

b)

Liquids

c)

Gases

d)

Vacuum

138.

By which of the methods of heat transfer can heat be transferred in a vacuum?

a)

Conduction

b)

Convection

c)

Radiation

139.

Which of the following materials are the best conductors of heat?

a)

Glass

b)

Plastic

c)

Rubber

d)

Metal

140.

Which coloured surface is the best absorber of radiant heat?

a)

Glossy black

b)

Matt black

c)

Matt white

d)

Glossy white

141.

Which coloured surface is the best emitter of radiant heat?

a)

Glossy black

b)

Matt black

c)

Matt white

d)

Glossy white

142.

Why are the inside of insulated cool bags silver?

a)

Silver is a poor emitter of heat

b)

Silver is a poor absorber of heat

c)

Silver reflects the heat away from the bag

d)

Silver absorbs the heat into the bag

143.

Why is the outside of the stove painted black?

a)

Black surfaces are good absorbers of heat

b)

Black surfaces are poor absorbers of heat

c)

Black surfaces are good emitters of heat

d)

Black surfaces are poor emitters of heat

144.

Which of the following would be a likely temperature on a cold winters morning in Northern Ireland?

a)

— 20°C

b)


— 2°C

c)

2°C

d)

12°C

145.

When Convection occurs in the atmosphere

a)

Cool air rises, warm air sinks

b)

warm air rises. cool air sinks

c)

warm air sinks, cool air sinks

d)

warm air rises, cool air sinks

146.

Which of these is an example of radiation

a)

bacon on a heated skillet

b)

falling on a sidewalk

c)

sun heating up the sand

d)

putting a blanket on

147.

heat always transfers from

a)

right to left

b)

left to right

c)

hot to cold

d)

cold to hot

148.

Which of these options show heat being transferred by radiation

a)
b)
c)
d)
149.

Which states of matter are considered fluids and can do convection?

a)

Gases only

b)

Liquids only

c)

Liquids and gases

d)

Liquids, gases, and Solids

150.

The total energy of all the particles in a substance is called

a)

temperature

b)

thermal energy

c)

degrees

d)

mass

151.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
152.
Energy that travels as electromagnetic waves is called ______
a)
conduction
b)
convection
c)
radiation
153.
Radiation is how energy from the sun is transferred to Earth.
a)
true
b)
false
154.
The transfer of thermal energy through a substance by direct contact is called___.
a)
conduction
b)
insulation
c)
convection
d)
radiation
155.
The transfer of thermal energy from one place to another by the the movement of fluids is
a)
convection
b)
conduction 
c)
radiation
d)
thermal energy
156.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
157.
What materials would be good insulators for a handle on a pan or pot that would be used on the stove?
a)
wood or plastic
b)
metal or rubber
c)
wood or rubber
d)
copper or steel
158.
Is a measure of how hot or cold something is 
a)
Cold
b)
Heat
c)
Temperature
d)
Thermal Energy 
159.
In a lava lamp, the warm part rises and the cool part sinks.  This is an example of 
a)
heat computation
b)
convection
c)
conduction
d)
radiation
160.

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

a)

66.5 J

b)

665 J

c)

0.0266 J

d)

0.665 J

161.

20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

a)

418 J

b)

209 J

c)

83 J

d)

4.18 J

162.

The SI units J/g°C measures

a)

Specific heat

b)

mass

c)

temperature

d)

heat energy

163.

The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?

a)

12.82 °C

b)

24.12°C

c)

1.95 °C

d)

5128 °C

164.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
165.
A pot of 2400g of water at a temperature of 25˚C is heated on a stove until the water boils (100˚C).  The specific heat of water is 4.18 J/(g˚C).
Determine the heat energy needed to heat the water in the pot to boiling.
a)
133.76J
b)
43,062.2J
c)
752,400J
d)
1,003,200J
166.
Specific heat of water is  4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
a)
Water
b)
Wood
c)
Both are same
167.
The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?
a)
1.17 J/g°C
b)
-1.17 J/g°C
c)
0.857 J/g°C
d)
-0.857 J/g°C
168.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat
169.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
170.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
171.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
172.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
173.
What is Specific Heat?
a)
The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
b)
The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
c)
The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
d)
The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.
174.
What is Specific Heat?
a)
The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
b)
The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
c)
The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
d)
The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.
175.

How many Joules of energy are required to change 10 gram of water from 20 oC to 90 oC?

a)

1400 J

b)

2800 J

c)

210,000 J

d)

1,400,000 J

176.

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

a)

Thermal Energy

b)

Cooler to Warmer

c)

Energy Transfer

d)

Thermal Equilibrium

177.

What happens to the temperature if I add ice cubes to a glass of soda

a)

The heat transfers from the coke to the ice

b)

The heat transfers from the ice to the coke

178.

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

a)

The temperature of both the oatmeal and the spoon stay the same

b)

The spoon and the oatmeal become the same temperature

c)

Only the temperature of the oatmeal will change

d)

Only the temperature of the spoon will change

179.

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

a)

The coldness from the ice moved into the water

b)

The coldness and the heat moved back and forth until the water cooled off.

c)

The heat from the water moved into the ice.

d)

The water does not cool of

180.

Heating will continue until what is reached?

a)

Energizers

b)

Equilibrium

c)

Equality

d)

Energy

181.

What causes hot and cold water to become the same temperature once they are combined?

a)

The heat moves from cooler temperature to warmer temperature.

b)

The energy of the hot water runs out.

c)

Heat (thermal) energy from the hot water is transferred to the cold water.

d)

Heat (thermal) energy causes the water to boil.

182.

How does heat move?

a)

In many directions

b)

from warm places to cooler places

c)

from cold places to warm places

d)

Both B and C

183.

If you burn your hand on the handle of a hot pot, heat was transferred to your skin by

a)

conduction

b)

convection

c)

radiation

d)

equilibrium

184.

What type of energy transfer occurs when hot water flows through cool water?

a)

insulation

b)

radiation

c)

conduction

d)

convection

185.

The transfer of energy by waves or particles is called

a)

conduction

b)

convection

c)

radiation

d)

insulation

186.

What type of heat transfer is occurring in the picture below? (the pan is touching the burner)

a)

conduction

b)

convection

c)

radiation

d)

insulation

187.

Energy from the Sun travels to Earth as

a)

Conduction

b)

Convection

c)

Insulation

d)

Radiation

188.

What causes hot and cold water to become the same temperature once they are combined?

a)

The heat moves from cooler temperature to warmer temperature.

b)

The energy of the hot water runs out.

c)

Heat (thermal) energy from the hot water is transferred to the cold water.

d)

Heat (thermal) energy causes the water to boil.

189.

What type of thermal energy transfer is number 1 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

190.

What type of thermal energy transfer is number 2 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

191.

What type of thermal energy transfer is number 3 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

192.

heat flows through

a)

conduction

b)

convection

c)

radiation

193.

heat flow from

a)

hot object to cold object

b)

cold object to hot object

194.
a)

convection

b)

radiation

c)

conduction

195.

Which pin or paperclip dropped off the metal rod first?

a)

The one closest to the Bunsen burner

b)

the one furthest from the Bunsen burner

196.

the spoon become hot hot because heat is transfer through

a)

conduction

b)

convection

c)

radiation

197.

What is the way heat moves through liquids and gases called?

a)

convection

b)

radiation

c)

conduction

198.
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.
199.

The diagram shows a metal sphere P at 80oC is immersed in a cooler liquid Q. Thermal equilibrium is reached when

a)

temperature of P = temperature of Q

b)

mass of Q displaced = mass of P

c)

volume of Q = volume of P

d)

specific heat capacity of P = specific heat capacity of Q

200.

What happens when the coffee and the cup are in thermal equilibrium?

a)

The temperature of the cup is increasing

b)

The temperature of the coffee is decreasing

c)

There is no net heat flow from the coffee to the cup

d)

There is a net flow from the coffee to the cup

201.

Diagram shows a spoon is placed in a bowl of soup at 95 °C. Which statement is correct when thermal equilibrium is reached?

a)

Temperature of soup is unchanged

b)

Temperature of spoon is unchanged

c)

No flow of heat between soup and spoon

d)

Soup and spoon has the same temperature

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