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WorksheetsThermal Energy and Transfer
Total questions: 40
Worksheet time: 6mins
Name
Class
Date
1.
THINK FAST: During the summer it's cooler in the basement of your home than the upstairs.
a)
conduction
b)
convection
c)
radiation
d)
advection
2.
THINK FAST: You sit in front of a fireplace and feel the warmth coming from it.
a)
conduction
b)
convection
c)
radiation
d)
advection
3.
THINK FAST: Your feet burn when you walk barefoot on a black road on a hot summer day.
a)
conduction
b)
convection
c)
radiation
d)
advection
4.
THINK FAST: The reason why the black top is hot in the first place.
a)
conduction
b)
convection
c)
radiation
d)
advection
5.
THINK FAST: The handle of metal spatula gets hot while sitting in a hot skillet.
a)
conduction
b)
convection
c)
radiation
d)
advection
6.
THINK FAST: Eric, who is a dog, heats himself up on a cold winter day by sitting on the hood of a warm engine.
a)
conduction
b)
convection
c)
radiation
d)
advection
7.
THINK FAST: The best place to put a heater is at floor level.
a)
conduction
b)
convection
c)
radiation
d)
advection
8.
THINK FAST: The red alcohol in a thermometer rises when the bulb of it is put in boiling water.
a)
conduction
b)
convection
c)
radiation
d)
advection
9.
THINK FAST: Sunlight is absorbed by the Earth after it has made a 10⁸-mile journey through space.
a)
conduction
b)
convection
c)
radiation
d)
advection
10.
THINK FAST: Packing cans of soda in a cooler full of ice will cause them to become very cold.
a)
conduction
b)
convection
c)
radiation
d)
advection
11.
VOCABULARY: _____ is the exchange of thermal energy between physical systems.
a)
thermal equilibrium
b)
heat transfer
c)
temperature
d)
advertor
12.
VOCABULARY: The process of heat transfer by direct contact is known as?
a)
convection
b)
conduction
c)
radiation
d)
condensation
13.
VOCABULARY: The process of heat transfer by the movement of fluids is known as?
a)
radiation
b)
conduction
c)
convection
d)
melting
14.
VOCABULARY: The process of heat transfer by electromagnetic rays is known as?
a)
radiation
b)
conduction
c)
convection
d)
First Law of Thermodynamics
15.
VOCABULARY: The measure of average kinetic energy of the individual particles is known as?
a)
mechanical energy
b)
heat
c)
temperature
d)
thermal energy
16.
CRITICAL THINKING: The energy in fossil fuels originally came from which power source by photosynthesis?
a)
sun
b)
moon
c)
old animal remains
d)
erosion
17.
CRITICAL THINKING: Which of the following will have the most overall thermal energy?
a)
burning candle
b)
snowman
c)
ice cube
d)
glass of water at room temperature
18.
VOCABULARY: Which term means "objects that can easily let heat transfer"?
a)
Second Law of Thermodynamics
b)
insulator
c)
conductor
d)
latent heat
19.
VOCABULARY: Which term means "objects that can't easily let heat transfer"?
a)
Third Law of Thermodynamics
b)
insulator
c)
conductor
d)
latent heat
20.
CRITICAL THINKING: Which of these objects are conductors?
a)
glass
b)
rubber
c)
gold
d)
All of the mentioned choices.
21.
CRITICAL THINKING: Which of these objects are conductors?
a)
copper
b)
rubber
c)
plastic
d)
All of the mentioned choices.
22.
CRITICAL THINKING: Which of these objects are conductors?
a)
aluminum
b)
silver
c)
gold
d)
All of the mentioned choices.
23.
CRITICAL THINKING: Which of these objects are insulators?
a)
cork
b)
cotton
c)
wool
d)
All of the mentioned choices.
24.
VOCABULARY: Which term best fits, "energy that comes from heat"?
a)
kinetic energy
b)
thermal energy
c)
potential energy
d)
mechanical energy
25.
CRITICAL THINKING: The movement of fluids due to the density of the fluids is called _____.
a)
radiation purpose
b)
conduction cycle
c)
convection cycle
d)
None of the mentioned choices.
26.
CRITICAL THINKING: How is the velocity of molecules in a high fluid compared to a cold fluid?
a)
It's slower.
b)
It's faster.
c)
They have the same velocity.
d)
Cannot be determined until mass is known.
27.
VOCABULARY: What is the terminology for "when 2 objects are in contact and eventually have the same temperature"?
a)
thermal equilibrium
b)
conduction
c)
thermal energy
d)
heat transfer
28.
THINK FAST: Hot liquids rises because it is _____, and vice versa with cold liquids.
a)
more dense
b)
less dense
c)
more heavy
d)
less heavy
29.
MATHEMATICS: If you increase the volume of a liquid without changing its mass, the liquid will be _____, and vice versa.
a)
less massive
b)
more massive
c)
more dense
d)
less dense
30.
HYBRID.: I have 2 bottles of water of equal volume, -20°C and 78°C. What is the result?
a)
29°C
b)
29°F
c)
49°F
d)
49°C
31.
HYBRID: 2 bottles, 20mL and 0.1L, 25°C and 50°F, what is the remaining temperature in degree centigrade?
a)
12.5
b)
37.5
c)
17.5
d)
None of the mentioned choices.
32.
H.O.T.: Absolute Zero, or 0°K, is what temperature in degree Celsius?
a)
-273.15
b)
-459.67
c)
0
d)
-235.332
33.
H.O.T.: Absolute Zero, or 0°K, is what temperature in degree Fahrenheit?
a)
-273.15
b)
-459.67
c)
-323.33
d)
-235.332
34.
H.O.T.: What term is given for the definition "the coldest anything can get"?
a)
Absolute Value
b)
Thermodynamic Frost
c)
Absolute Zero
d)
Thermodynamic Zero
35.
DRAWING CONCLUSIONS: Using the graph, why is the temperature hot lower, when cold air sinks, and vice versa?
a)
The greenhouse effect blocks the escape of radiation.
b)
The Mesopause and Tropopause are boundaries of elevation.
c)
There are more air molecules lower to retain the heat.
d)
The ozone layer prevents greenhouse gases from heating up.
36.
DRAWING CONCLUSIONS: Using the graph, which is the best conductor?
a)
styrofoam
b)
cooler
c)
bag
d)
The mentioned choices are insulators.
37.
DRAWING CONCLUSIONS: Using the graph, which is the best insulator?
a)
styrofoam
b)
cooler
c)
bag
d)
The mentioned choices are conductors.
38.
DRAWING CONCLUSIONS: Specific heat capacity is the heat required to raise the temperature of a given substance by 1°K. Which substance is the best conductor?
a)
ethanol
b)
aluminium
c)
hydrogen
d)
lead
39.
MATHEMATICS: The formula for heat transfer is Q=mcΔT, where Q is heat transfer, m is mass, specific heat capacity is c, and ΔT is the change in temperature. Find ΔT.
a)
ΔT=(Q)/(mc)
b)
ΔT=(mc)/(Q)
c)
ΔT=Qmc
d)
ΔT=m/(cΔT)
40.
MATHEMATICS: If an object loses e amount of thermal energy to another object, then that objects gains _____ amount of heat.
a)
e-1
b)
e/4
c)
e
d)
5e-1
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