Heat Transfer Answers
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1
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Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?
A
The tea will get warmer because the mug acts as a thermal insulator.B
The tea will get cooler because it gains energy from the mug.C
The mug will get warmer because thermal energy transfers from the tea to the mug.D
The mug will get warmer because the tea creates more thermal energy inside the mug.2
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Convection can occur in which two substances?
A
wood and airB
ice and woodC
water and iceD
air and water3
The diagram shows an example of convection.
A
Warmer water sinksB
Warmer water risesC
Cooler water sinksD
Cooler water rises4
fluidswaveselectricitycharges
A
fluidsB
wavesC
electricityD
charges5
transferredchangedcreatedmeasured
A
transferredB
changedC
createdD
measured6
Thermal energy from the Sun travels to Earth by
A
conduction.B
charged molecules.C
electromagnetic waves.D
convection currents.7
Which two conditions must exist in order for radiation to occur?
A
the presence of a solid, liquid, or gas and a temperature differenceB
direct contact of molecules and the presence of a solid, liquid, or gasC
the presence of electromagnetic waves and direct contact of moleculesD
a temperature difference and the presence of electromagnetic waves8
Radiation occurs when energy is transferred by electromagnetic waves.
Answer not available
9
Which is an example of convection?
A
In a mountain forest, the sun heats up the ground.B
On a hot day, Amaya pours water on her face to cool off.C
At the beach, Stephan’s feet get hot walking across the sand.D
Above the sea, warm air rises, cools, and sinks.10
The diagram shows the movement of magma due to convection currents.
A
the crustB
the mantleC
the outer coreD
the inner coreDid you find these answers helpful?
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