WorksheetsThermal Energy Test Review
Total questions: 52
Worksheet time: 45mins
Name
Class
Date
1.
the transfer of energy by electro-magnetic waves is called
a)
conduction
b)
convection
c)
radiation
2.
When heat is transferred by the movement of currents within a fluid it is called
a)
conduction
b)
convection
c)
radiation
3.
When heat is transferred from one particle of matter to another by direct contact it is called
a)
conduction
b)
convection
c)
radiation
4.
Heat is transferred by _________, convection, and radiation.
a)
thermal energy
b)
waves
c)
conduction
d)
radiant energy
5.
How is the teapot being heated?
a)
condensation
b)
conduction
c)
convection
d)
radiation
6.
How is the cat being heated?
a)
condensation
b)
conduction
c)
convection
d)
radiation
7.
Energy will always flow or move from...
a)
An area of low temperature to an area of high temperature
b)
An area of high temperature to an area of low temperature
c)
atoms to molecules
8.
What is conduction?
a)
When energy moves from one place to another through contact
b)
When energy moves in circular patterns
c)
When atoms break apart
9.
What is radiation?
a)
A form of heat transfer where energy moves by contact
b)
A form of heat transfer where energy moves by waves, even in empty space.
c)
A form of heat transfer where energy moves in circular waves.
10.
Convert 20oC to Kelvin.
a)
273 K
b)
298 K
c)
293 K
d)
20 K
11.
The measure of average kinetic energy of all the particles within an object is called ____________.
a)
temperature
b)
conduction
c)
radiation
d)
heat
12.
A(n) _____________ is a device for measuring temperature.
a)
thermometer
b)
barometer
c)
anemometer
d)
psychrometer
13.
Absolute zero is...
a)
-273º C
b)
0º C
c)
-373º C
d)
273º C
14.
Absolute zero is...
a)
0º C
b)
0º F
c)
0º K
d)
0º O
15.
Water freezes at...
a)
73º K
b)
173º K
c)
273º K
d)
373º K
16.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
17.
What is absolute zero?
a)
Where particles slow down
b)
Where all motion stops
c)
Where there are more particles
d)
Where there are less particles
18.
At what temperature does absolute zero occur?
a)
500 K
b)
293°C
c)
0 K
d)
100 °C
19.
A radiator is emitting hot air from the top and pulling in cold air at the bottom. A women accidentally touches the radiator and burns herself. Which of the following shows conduction?
a)
cold air being drawn into the radiator
b)
radiator heating the room
c)
movement of hot air rising and cold air sinking
d)
Women burning her hand
20.
Where does a solid and liquid occur on the graph?
a)
A
b)
B
c)
C
d)
D
21.
Where does a liquid occur on the graph?
a)
A
b)
B
c)
C
d)
D
22.
Where does the boiling point occur on the graph?
a)
A
b)
B
c)
C
d)
D
23.
Where does the melting point occur on the graph?
a)
A
b)
B
c)
C
d)
D
24.
Which heat transfer method does a tree use to gain the energy it needs for photosynthesis?
a)
Conduction
b)
Convection
c)
Radiation
d)
Condensation
25.
The transfer of energy using infrared rays is called ------
a)
conduction
b)
convection
c)
radiation
d)
melting
26.
The process of changing a liquid to a gas is called ---
a)
condensation
b)
melting
c)
freezing
d)
vaporaization
27.
If a glass of ice is 0°C, once it is all melted what is the temperature?
a)
0°C
b)
5°C
c)
20°C
d)
100°C
28.
What is an educated guess?
a)
Controlled experiment
b)
conclusion
c)
hypothesis
d)
theory
29.
On which scale does water boil at 100 and freeze at 0?
a)
Fahrenheit
b)
Celsius
c)
Bohr
d)
Kelvin
30.
A man places rocks around a fire to contain it. Five minutes later he picks one rock up to move it, but burns his hands. What is the source of radiation?
a)
fire
b)
rock
c)
wood burning
d)
man's hand
31.
How has the mass changed after a phase change?
a)
the mass remains the same
b)
the mass has increased
c)
the mass has decreased
d)
the mass changed temperature
32.
As an ice cube melts, the temperature ------
a)
stays the same
b)
changes
c)
increases
d)
decreases
33.
Water vapor in the air turn to a liquid in the form of rain. This is an example of -----
a)
evaporation
b)
convection
c)
condensation
d)
sublimation
34.
If a bathtub and a cup of coffee are the same temperature (33°C), which one has more heat?
a)
Bathtub has more heat.
b)
Cup of coffee has more heat.
c)
The heat in each one is 33°C.
d)
The heat in each one is 66°C.
35.
Why does the temperature stay the same during a phase change diagram?
a)
Energy is being conserved to keep temp the same.
b)
Energy is being produced to increase temperature
c)
Energy is being used to break bonds between molecules
d)
Energy is being released to create bonds
36.
On which scale does water boil at 373 and freeze at 273?
a)
Fahrenheit
b)
Celsius
c)
Bohr
d)
Kelvin
37.
Heat and temperature are the SAME thing.
a)
Super true!, Both measure the amount of molecules
b)
Of course not, Heat measures NUMBER of molecules, while temperature measures the SPEED of molecules
38.
A flow movement where warmer air gets cools off and cooler air warms up.
a)
Current
b)
Convection current
c)
Conduction current
d)
All of them
39.
The faster molecules move,
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
40.
The slower molecules move,
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
41.
Temperature at which ALL molecules stop moving.
a)
100ºC
b)
Absolute zero
c)
0ºC
d)
32ºF
42.
Which temperature scale has no negative temperatures?
a)
Celsius
b)
Fahrenheit
c)
Joule
d)
Kelvin
43.
Phase change from a solid to a gas.
a)
sublimation
b)
deposition
c)
condensation
d)
evaporation
44.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
45.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
dependent variables
c)
independent variables
d)
constants
46.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.
a)
experimental group
b)
control group
c)
data
d)
variables
47.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
48.
Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.
In Sendel's driving experiment, what is the control group?
a)
Highway
b)
Backroads
c)
Time she drives to work
d)
Rush hour
49.
Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.
In Sendel's driving experiment, what is the experimental group?
a)
Highway
b)
Backroads
c)
Time she drives to work
d)
Rush hour
50.
An experiment is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded. What is the independent variable?
a)
The type of cleat
b)
The run time
c)
The 100 meters
d)
The athlete
51.
A student wants to test the effects of different types of exercise on heart rate. What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
52.
This variable is the actual data collected during the experiment.
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
100 %
