Use the picture to answer the question.
An illustration shows the convection currents in a room. The warm air current rises and is replaced by cooler air currents.
Which type of energy transfer is shown in the picture?
(1 point)
Responses
density
density
radiation
radiation
conduction
conduction
convection
convection
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3 answers
convection
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Use the table of temperatures measured in two areas of a house to answer the question.
Area Temperature (ºC)
downstairs 22
upstairs 26
Which statement best explains the temperature difference?
(1 point)
Responses
Energy is transferred between the areas when the molecules touch.
Energy is transferred between the areas when the molecules touch.
Warm air rises by convection to the upstairs.
Warm air rises by convection to the upstairs.
Energy from the cooler air is transferred upstairs.
Energy from the cooler air is transferred upstairs.
The cooler air downstairs loses energy to the environment.
The cooler air downstairs loses energy to the environment.
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Use the table of temperatures measured in two areas of a house to answer the question.
Area Temperature (ºC)
downstairs 22
upstairs 26
Which statement best explains the temperature difference?
(1 point)
Responses
Energy is transferred between the areas when the molecules touch.
Energy is transferred between the areas when the molecules touch.
Warm air rises by convection to the upstairs.
Warm air rises by convection to the upstairs.
Energy from the cooler air is transferred upstairs.
Energy from the cooler air is transferred upstairs.
The cooler air downstairs loses energy to the environment.
The cooler air downstairs loses energy to the environment.
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Warm air rises by convection to the upstairs.