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 ___.
A. area X to area Z
B. area Y to area Z
C. area Y to area X
D. area Z to area Y
C. convection
C. Warm air rises by convection to the upstairs
A. person getting warm from an electric blanket
B. conduction
Which type of energy transfer is shown in the picture?
description: There is a room that shows a cycle of cold air entering a heater becoming hot air then cooling of and it continues.
A. conduction
B. density
C. convection
D. radiation
Use the table of temperatures measured in two areas of a house to answer the question.
Area Temperature
downstairs 22
upstairs 26
Which statement best explains the temperature differences?
A. The cooler air downstairs loses energy to the environment
B. Energy is transferred between the areas when the molecules touch
C. Warm air rises by convection to the upstairs
D. Energy from the cooler air is transferred upstairs.
Which option is an example of heat transfer by conduction?
A. person getting warm from an electric blanket
B. pavement heating up in the sun
C. air getting warm from a radiator
D. air conditioner cooling the room
The transfer of heat by direct contact is called__
A. vibrating molecules
B. conduction
C. radiation
D. kinetic energy