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WorksheetsHeat, Temperature, Thermodynamics
Total questions: 70
Worksheet time: 2hrs 58mins
Name
Class
Date
1.
A worker for an electrical company is preparing to fix a power line. Why would he put on rubber gloves before working with any power lines?
a)
Rubber is a poor conductor of heat but a good conductor of electricity
b)
Rubber is a good conductor of heat but a poor conductor of electricity
c)
Rubber is a poor conductor of heat and electricity
d)
Rubber is a good conductor of heat and electricity
2.
A block of ice is placed on a hot sidewalk. The ice melts because
a)
the energy from the ice flows to the sidewalk.
b)
the energy from the sidewalk flows to the ice.
c)
convection currents flow between the ice and the sidewalk
d)
radiation flows between the ice and the sidewalk
3.
The diagram below shows a convection current. Which set of labels correctly completes this diagram?
a)
1: Oil is less dense and floats on water.
2: Water is more dense and sinks in oil.
2: Water is more dense and sinks in oil.
b)
1: Liquid water evaporates.
2: Condensed water precipitates.
2: Condensed water precipitates.
c)
1: Animals take in oxygen for respiration.
2: Plants take in carbon dioxide for photosynthesis
2: Plants take in carbon dioxide for photosynthesis
d)
1: Warm air molecules move faster and rise.
2: Cool air molecules move slower and sink
2: Cool air molecules move slower and sink
4.
Use the diagram to answer the question that follows. Which process is responsible for moving hot air from inside the stove to the outside?
a)
convection
b)
reflection
c)
radiation
d)
conduction
5.
Heat transfer in rays.
a)
Conduction
b)
Convection
c)
Radiation
6.
Heat transfer that does not require matter (solid, liquid, gas) to transfer.
a)
Conduction
b)
Convection
c)
Radiation
7.
Heat transfer through fluids (liquids and gasses).
a)
Conduction
b)
Convection
c)
Radiation
8.
Heat transfer by touch.
a)
Conduction
b)
Convection
c)
Radiation
9.
Steam rising off of hot coffee is an example of
a)
Conduction
b)
Convection
c)
Radiation
10.
______ air rises, and ______ air sinks.
a)
Hot, Cold
b)
Cold, Hot
c)
Hot, Hot
d)
Cold, Cold
11.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to high
b)
low to high
c)
high to low
d)
It can travel high to low and low to high.
12.
Thermal energy travels...
a)
Hot to cold
b)
Cold to hot
c)
Inside to outside
d)
Outside to inside
13.
I put ice in my lemonade, how does the heat flow?
a)
Lemonade->Ice
b)
Ice->Lemonade
c)
They do not transfer heat
d)
Mr. Martin thinks he is good at basketball...
14.
I place my hot sandwich outside on a cold day, how does the heat flow?
a)
From the sandwich to the surrounding air
b)
from the surrounding air to the sandwich
c)
from the sandwich to the moon
d)
Mr. Martin says who cares!? it's not history....
15.
What is the Difference between thermal energy and temperature
a)
I bring the heat
b)
Thermal energy is heat
c)
Who cares, my teacher is LIT!
d)
Thermal energy is the total KE and Temp. is the average
16.
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
17.
The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius is ________
a)
Heat energy
b)
Specific heat
c)
convection
d)
thermal energy
18.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
19.
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.
20.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
21.
The temperature at which an object's energy is minimal is called ____________.
a)
absolute zero
b)
minimum temperature
c)
zero
22.
An example of:
a)
convection
b)
conduction
c)
radiation
23.
An example of
a)
conduction
b)
convection
c)
radiation
24.
Temperature is a measure of the...
a)
total energy in a substance
b)
total kinetic energy in a substance
c)
average potential energy in a substance
d)
average kinetic energy of molecules in a substance
25.
Heat transfer by conduction occurs when...
a)
particles bump into each other
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
26.
Heat transfer by convection occurs when...
a)
electrons bump into other electrons
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
27.
A substance with a high specific heat:
a)
Is always extremely hot.
b)
Requires a lot of energy to become hot.
c)
Is not heavy.
d)
Does not requires a lot of energy to become hot.
28.
The second law of thermodynamics states that entropy of a system tends to ______________.
a)
increase
b)
decrease
c)
stay constant
d)
fluctuate wildly
29.
The ___________ states that energy moves from an area of high heat to an area of low heat, unless work is done on the system.
a)
first law of thermodynamics
b)
second law of thermodynamics
c)
law of conservation of mass
d)
law of conservation of momentum
30.
The ___________ states that energy is conserved in a system.
a)
first law of thermodynamics
b)
second law of thermodynamics
c)
law of conservation of mass
d)
law of conservation of momentum
31.
__________________ is energy possessed by an object or system due to movement of particles.
a)
heat
b)
thermal energy
c)
temperature
d)
geothermal energy
32.
In physics, there is no such thing as
a)
heat
b)
cold
c)
energy
d)
temperature
33.
When both materials are at the same temperature we say that both materials have reached:
a)
thermal neutrality
b)
thermal equilibrium
c)
heat constant
d)
heat balance
34.
Insulators conduct heat easily.
a)
True
b)
False
35.
The chocolate bunny and the iron is an example of:
a)
conduction
b)
convection
c)
radiation
d)
chlorination
36.
The chocolate bunny and the blow dryer is an example of:
a)
conduction
b)
convection
c)
radiation
d)
florination
37.
The chocolate bunny and the lamp is an example of:
a)
conduction
b)
convection
c)
radiation
d)
radicalization
38.
If you place a cold glass of water in the direct sunlight on a hot day, what change will take place in the thermal energy of the particles that make up the water?
a)
The particles will remain the same.
b)
The solar energy will cause the particles will slow down because the sun will make the water warmer.
c)
The particles will become smaller when the sun's energy heats the water up.
d)
The solar energy will cause the water to warm up. This will cause the particles of water to change from moving very slowly-less thermal energy (when cold) to moving quickly as they gain thermal energy (warm up).
39.
An ice cube feels cold in your hand because:
a)
your hand is an insulator
b)
heat flows from your hand to the ice cube
c)
cold flows from the ice cube to your hand
d)
there is friction between your hand and the ice cube
40.
Entropy is the unit for...
a)
Heat
b)
Thermal Energy
c)
Disorder
d)
Shrek
41.
What is the temperature on this thermometer in Celsius degrees?
a)
32° Fahrenheit
b)
0° Celsius
c)
0° Fahrenheit
d)
40° Fahrenheit
42.
heat is energy
a)
false
b)
true
43.
heat rises
a)
true
b)
false
44.
cold falls
a)
false
b)
true
45.
A substance with a high specific heat:
a)
Is always extremely hot.
b)
Requires a lot of energy to become hot.
c)
Is not heavy.
d)
Does not requires a lot of energy to become hot.
46.
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.
47.
What is the definition of RADIATION?
a)
Hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
b)
When heat is transferred from objects like rays of light or electromagnetically.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
48.
Energy that is produced by the internal motion of particles is called...
a)
light
b)
mechanical
c)
thermal
d)
chemical
50.
_______ is a measure of randomness or disorder.
a)
Metabolism
b)
Entropy
c)
Thermodynamics
d)
Internal Energy
50.
_______ is a measure of randomness or disorder.
a)
Metabolism
b)
Entropy
c)
Thermodynamics
d)
Internal Energy
51.
It is possible to reach absolute zero
a)
true
b)
false
52.
Heat is
a)
hot
b)
the energy that is transferred between objects because of a temperature difference
c)
the quantity measure from the average kinetic energy of vibrating molecules in a substance
53.
Two cups of water, one at 100oC and the other at 50oC are poured into a larger container. What would be the final temperature of the water?
a)
Less than 50oC.
b)
Greaterr than 100oC.
c)
Between 50oC and 100oC.
d)
The water temperature will rise and fall continually.
54.
An ice cube at 0oC is placed on an iceberg at 0oC.
The thermal energy of the ice cube is _____ compared to the iceberg.
The thermal energy of the ice cube is _____ compared to the iceberg.
a)
less than
b)
greater than
c)
equal to
55.
What is the definition of CONVECTION?
a)
When heat transfers through the heater or AC in your house.
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.
56.
Hot objects begin to cool as-
a)
cooler air is transferred to the hot object.
b)
thermal energy in the object is transferred to the surrounding air.
c)
atoms in the object react with the oxygen in the air.
d)
thermal energy in the object cancels out energy in the air
57.
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
58.
When a popsicle melts, the particles _____.
a)
gain thermal energy and speed up
b)
there are no particles in popsicles
c)
lose thermal energy and slow down
d)
stay the same
59.
Which is more dense?
a)
Hot Liquid
b)
Cold Liquid
60.
Identify and explain the different types of heat transfer (convection, conduction, radiation) occurring in the following scenario. Chris went on a camping trip. During the day it was so hot that he got sunburn. When it was time to go to his campsite, he noticed smoke in the air. His father had started a fire and he felt the heat as he walked by. In the morning while his mother was cooking breakfast he accidentally touched a hot pan and got burned. Although this was the case he still had a lot of fun on the trip.
a)
Sunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = convection
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = convection
b)
Sunburn = radiation;
Smoke rising = conduction;
Feeling fire = radiation;
Touching hot pan = conduction
Smoke rising = conduction;
Feeling fire = radiation;
Touching hot pan = conduction
c)
Sunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = conduction
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = conduction
61.
The average kinetic energy in an object.
a)
convection
b)
temperature
c)
Heat
d)
radiation
62.
The amount of thermal energy needed to raise the temperature of 1 kg of materials by 1 degree Celsius is called the ____.
a)
thermal pollution
b)
conduction
c)
convection
d)
specific heat
63.
Specific heat is a measure of how much energy it takes to raise the temperature of a substance. Which material would heat up the quickest from the table above?
a)
Iron
b)
Sand
c)
Wood
d)
Water
64.
The pictures show the particles of two substances with different energies. If these two substance are put into contact with each other, how will the energy flow?
a)
The energy will transfer from A to B, because A has more thermal energy.
b)
The energy will transfer from B to A, because B has more thermal energy
c)
The energy will transfer from A to B, because A has less thermal energy
d)
The energy will transfer from B to A, because B has less thermal energy
65.
As part of a lab experiment, Tasha drops a metal cube into a beaker of water, as shown in the figure. After energy in the form of heat transfers between the substances, what is the final temperature of the water?
a)
The final temperature is 25 °C because there is more water than metal.
b)
The final temperature is 50 °C because the metal warms the water to the temperature of the metal.
c)
The final temperature is between 25 °C and 50 °C because energy is transferred from the metal to the water.
d)
The final temperature is between 25 °C and 50 °C because most of the thermal energy is lost to the air around the substances.
66.
Two samples of gold that have different temperatures are placed in contact with one another. Heat will flow spontaneously from a sample of gold at 60°C to a sample of gold that has which of the following temperatures?
a)
50°C
b)
60°C
c)
70°C
d)
80°C
67.
Object A at 40°C and object B at 80°C are placed in contact with each other. Which statement describes the flow of heat between the objects?
a)
No heat flow occurs between the objects
b)
Heat flows from object B to object A
c)
Heat flows from object A to object B
d)
Heat flows in both directions between the objects
68.
Use the diagrams showing the same region of the Earth’s surface at two different time intervals to answer the question that follows. Diagrams I and II show the same region of the Earth’s surface at two different times in the geologic past. Diagram I was 250 million years ago and Diagram II was the same region 150 million years ago. Which statement best explains the basic cause of the changes that occurred in this region?
a)
Temperature changes caused melting of polar ice caps.
b)
Meteor impact on the crust caused widening of the valley.
c)
Mantle convection currents caused crustal movement.
d)
Weathering and erosion caused widening of the valley.
69.
The temperature of two samples of rubbing alcohol is taken. Sample 1 has a temperature of 20*C and Sample 2 has a temperature of 30*C. Which statement best describes the reason for the different temperatures of the two samples?
a)
The particles in sample 1 have a larger mass than the particles in sample 2
b)
The particles in sample 1 have more kinetic energy than the particles in sample 2
c)
The particles in sample 2 have a larger mass than the particles in sample 1
d)
The particles in sample 2 have more kinetic energy than the particles in sample 1
70.
The average kinetic energy of water molecules is greatest in which sample?
a)
Sample A: which contains 5g of water at 40*C
b)
Sample B: which contains 10g of water at 30*C
c)
Sample C: which contains 20g of water at 20*C
d)
Sample C: which contains 15g of water at 35*C
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