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Review Check 4- Heat Transfer
Test Description: Heat transfer review check
Instructions: Answer all questions to get your test result.
1) When does the thermal transfer of energy occur?
A
When cold air transfer out of an object allowing heat to come in
B
when a cooler object or substance comes into contact with another cooler object or substance
C
When two objects or substances have the same temperature
D
When a warmer object or substance comes into contact with a cooler object or substance
2) What happens to the atoms in a material when heat is transferred in the material?
A
They continue to vibrate at the same rate as before the heat was transferred
B
They are destroyed
C
They collide
D
They create more atoms
3) What is the difference between conduction and convection?
A
Conduction is transfer of heat through fluids, and convection is transfer of heat through objects touching
B
Conduction is transfer of heat through objects touching, and convection is transfer of heat through fluids
C
Conduction is the transfer of cold air and the transfer of warm air
D
Conduction is the transfer of warm air and convection is the transfer of cold air
4) What is the difference between electromagnetic energy and electrical energy?
A
Electromagnetic energy is energy connected to a circuit while electrical energy is energy from light or heat
B
Electromagnetic energy comes from the sun while electrical energy comes from the moon.
C
Electromagnetic energy comes from the moon, while electrical energy comes from the sun
D
Electromagnetic energy is energy from light or heat while electrical energy is energy connected to a circuit.
5) Which are the four possible outcomes that result from light interacting with matter?
A
destruction, creation, absolute zero, darkness
B
Absorption, refraction, transmission, scattering
C
absolute zero, darkness, transmission, scattering
D
absorption, refraction, destruction, creation
6) Which is not a factor that determines how much the temperature of an object increases when struck by electromagnetic waves?
A
how long it shines on the object
B
how much of it is absorbed
C
how much cold energy is stored in the object
D
how intense the light is
7) What happens to some of the thermal energy that exists in materials?
A
it is destroyed
B
it is transformed into light energy and radiated back into the environment by electromagnetic waves
C
it creates more light energy which is then radiated back into the environment by electromagnetic waves
D
It is replaced by the transfer of cold air into the object
8) When can electromagnetic energy be transformed back into thermal energy?
A
Only when the object or substance reaches absolute zero
B
Only when the object or substance is connected to a circuit
C
When the electromagnetic waves strike another material
D
When cold air is transferred into the substance thus pushing the electromagnetic energy out of the object or substance
9) Why are metals like aluminum, steel, and copper most often used in making pots and pans that are useful for cooking?
A
They are excellent conductors of heat.
B
They have mass and take up space
C
They are excellent insulators of heat
D
They are excellent radiators of heat
10) Why are the handles of pots and pans usually made of materials such as plastic, ceramic or rubber?
A
They are excellent insulators of heat
B
They are excellent radiators of heat
C
They are excellent conductors of heat
D
They have mass and take up space
11) What is the difference between an insulator and a conductor?
A
An insulator only allows the flow of cold energy, while a conductor allows the flow of heat
B
An insulator allows the flow of heat, while a conductor only allows the flow of cold energy
C
An insulator prevents the flow of heat while a conductor allows for the flow of heat
D
An insulator allows heat to flow while a conductor prevents heat from flowing.
12) How do expansion joint strips support the structure of bridges?
A
They allow for the bridges to contract in hot weather and expand in cold weather
B
They allow for the bridges to expand in hot weather and contract in cold weather
C
They allow the bridge to conduct electricity easily in both hot and cold weather.
D
They allow for the transfer of heat in cold weather and the transfer of cold energy in warm weather.
*select an answer for all questions
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