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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 two objects or substances have the same temperature
B
when a cooler object or substance comes into contact with another cooler object or substance
C
When a warmer object or substance comes into contact with a cooler object or substance
D
When cold air transfer out of an object allowing heat to come in
2) What happens to the atoms in a material when heat is transferred in the material?
A
They collide
B
They are destroyed
C
They create more atoms
D
They continue to vibrate at the same rate as before the heat was transferred
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 the transfer of cold air and the transfer of warm air
C
Conduction is the transfer of warm air and convection is the transfer of cold air
D
Conduction is transfer of heat through objects touching, and convection is transfer of heat through fluids
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 moon, while electrical energy comes from the sun
C
Electromagnetic energy is energy from light or heat while electrical energy is energy connected to a circuit.
D
Electromagnetic energy comes from the sun while electrical energy comes from the moon.
5) Which are the four possible outcomes that result from light interacting with matter?
A
Absorption, refraction, transmission, scattering
B
absolute zero, darkness, transmission, scattering
C
destruction, creation, absolute zero, darkness
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 intense the light is
C
how much cold energy is stored in the object
D
how much of it is absorbed
7) What happens to some of the thermal energy that exists in materials?
A
It is replaced by the transfer of cold air into the object
B
it creates more light energy which is then radiated back into the environment by electromagnetic waves
C
it is transformed into light energy and radiated back into the environment by electromagnetic waves
D
it is destroyed
8) When can electromagnetic energy be transformed back into thermal energy?
A
When the electromagnetic waves strike another material
B
When cold air is transferred into the substance thus pushing the electromagnetic energy out of the object or substance
C
Only when the object or substance reaches absolute zero
D
Only when the object or substance is connected to a circuit
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 insulators of heat
B
They have mass and take up space
C
They are excellent radiators of heat
D
They are excellent conductors 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 radiators of heat
B
They have mass and take up space
C
They are excellent insulators of heat
D
They are excellent conductors of heat
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 prevents the flow of heat while a conductor allows for the flow of heat
C
An insulator allows heat to flow while a conductor prevents heat from flowing.
D
An insulator allows the flow of heat, while a conductor only allows the flow of cold energy
12) How do expansion joint strips support the structure of bridges?
A
They allow the bridge to conduct electricity easily in both hot and cold weather.
B
They allow for the bridges to contract in hot weather and expand in cold weather
C
They allow for the bridges to expand in hot weather and contract in 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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