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Thermal Energy
2013-14
Heat moves through liquids
by the process of _______.
A: Convection
What type of heat transfer is
occurring at Point A?
A
B
C
A: A-Convection
Name an example of
convection.
A: EX: Hot air rising in a house;
Hot air balloon rising
What type of heat transfer is
occurring at Point B?
A
B
C
A: B - Conduction
Which type of heat energy
occurs across open space?
A: Radiation
What type of energy transfer
occurs when a mug of hot tea
warms cold hands?
A: Conduction
Insulators serve to (increase,
decrease or not change) the
transfer of heat energy.
A: Decrease
Name an example of
radiation.
A: EX: Sunlight warming the
Earth; Heat lamps warming food
What type of heat energy
transfer occurs when two
objects touch?
A: Conduction
If two objects have different
temperatures, which direction
does the heat move?
A: From Hot to Cold
What is the goal for the
movement of heat?
A: To reach equilibrium
Can heat energy be created
or destroyed?
A: No
Explain how a hot air
balloon works.
A: The air in the balloon is heated which causes
it to be less dense. The less dense air rises.
What type of heat transfer is
occurring at Point C?
A
B
C
A: C - Radiation
What type of heat transfer
occurs when an ice cream is
melting on the sidewalk?
A: Conduction
You get a sun burn from sitting
in the sun all day. What type
of heat transfer occurred?
A: Radiation