Heat Transfer Answers
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The diagram shows the movement of air as a result of convection currents.
A
WB
XC
YD
Z2
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What are three properties of electromagnetic waves?
A
They travel slower than the speed of light, they include visible light waves, and they can transfer energy through empty space.B
They need matter through which to travel, they travel at the speed of light, and they include visible light waves.C
They travel at the speed of light, they include ultraviolet waves, and they can transfer energy through empty space.D
They include ultraviolet waves, they need matter through which to travel, and they travel slower than the speed of light.3
The diagram shows the movement of magma due to convection currents.
A
the crustB
the mantleC
the outer coreD
the inner core4
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.5
Alex studied the image shown.He concluded that the image shows thermal energy being transferred from the flames to the person’s hands through conduction.
A
Thermal energy is being transferred from the person’s hands to the flames.B
The image does not show thermal energy being transferred because the molecules of two substances or objects are not in direct contact.C
The image does not show conduction because the molecules of two substances or objects are not in direct contact.D
Thermal energy is being transferred from the surrounding air to the flames.6
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.7
Convection can occur in which two substances?
A
wood and airB
ice and woodC
water and iceD
air and water9
Thermal energy from the Sun travels to Earth by
A
conduction.B
charged molecules.C
electromagnetic waves.D
convection currents.10
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A
wavesB
moleculesC
liquidsD
fluidsDid you find these answers helpful?
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