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WorksheetsUnit 6 Thermal Energy Review
Total questions: 40
Worksheet time: 29mins
Name
Class
Date
1.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
2.
Convection is heat transfer by-
a)
Touch an object
b)
The heating and cooling of a fluid
c)
Electromagnetic Waves
3.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
4.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
5.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
6.
The sun warming your skin is an example of heat transfer through
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
7.
Heat transfer through electromagnetic waves is called
a)
conduction
b)
convection
c)
radiaton
d)
thermal
8.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
9.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
10.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
11.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
12.
What type of heat transfer takes place in liquids and gasses?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal Equilibrium
13.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
14.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
15.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
16.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
17.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
18.
Conduction, Convection and Radiation are three types of...
a)
Electrical energy
b)
Thermal Energy
c)
Chemical Energy
d)
Sound Energy
19.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
20.
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
21.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
22.
Heat always goes from a ____ Temperature to a _____ temperature
a)
Warm to cold
b)
Cold to warm
23.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
24.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
25.
Transfer of thermal energy through "flow" of liquids and gases
a)
conduction
b)
convection
c)
radiation
26.
What is essential for convection to allow energy to be transferred?
a)
a) Must be made of metal
b)
b) Must be touching
c)
c) Must be wet
d)
d) Must be a liquid or a gas
27.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
28.
How are convection and radiation different?
a)
convection and radiation are not different
b)
radiation can transfer energy through space, liquids, solids, and gases.
c)
radiation can only transfer energy through space
d)
convection can transfer energy through space.
29.
What forms of energy occur while the hot plate is turned on?
a)
Conduction & Convection
b)
Convection & Radiation
c)
Radiation & Conduction
d)
Conduction only
30.
What type of heat transfer happens when you touch a cold pan?
a)
Convection
b)
Conduction
c)
Radiation
d)
Condensation
31.
Which type of heat is being transferred in this image?
a)
Conduction
b)
Convection
c)
Radiation
32.
Which statement is true?
a)
The quicker a molecule moves, the colder it is.
b)
The slower a molecule moves, the warmer it is.
c)
The quicker a molecule moves, the warmer it is
d)
The movement on molecule don�t affect its temperature
33.
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.
34.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
35.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
36.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
37.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
38.
During a heat transfer demonstration, students observed water being pumped around a closed loop in an engine. The moving water carries heat from the hot engine to the radiator. Which type of heat transfer is involved when the cooler water absorbs heat while in contact with the hot engine?
a)
Convection
b)
Conduction
c)
Insulation
d)
Radiation
39.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
40.
A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to
a)
conduction
b)
convection
c)
radiation
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