Use the table of temperatures from several areas to complete the statement.
Area Temperature (ºC)
X 22
Y 18
Z 18
Air will move from _____.
(1 point)
Responses
area Z to area Y
area Z to area Y
area X to area Z
area X to area Z
area Y to area Z
area Y to area Z
area Y to area X
The correct answer is: area Y to area Z
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
conduction
conduction
density
density
convection
convection
radiation
The correct answer is: convection
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.
Energy from the cooler air is transferred upstairs.
Energy from the cooler air is transferred upstairs.
Warm air rises by convection to the upstairs.
Warm air rises by convection to the upstairs.
The cooler air downstairs loses energy to the environment.
The correct answer is: Warm air rises by convection to the upstairs.
Question
Which option is an example of heat transfer by conduction?(1 point)
Responses
pavement heating up in the sun
pavement heating up in the sun
air getting warm from a radiator
air getting warm from a radiator
person getting warm from an electric blanket
person getting warm from an electric blanket
air conditioner cooling the room
The correct answer is: person getting warm from an electric blanket
The transfer of heat by direct contact is called _____(1 point)
Responses
kinetic energy.
kinetic energy.
radiation.
radiation.
vibrating molecules.
vibrating molecules.
conduction.