1. Use the table of temperatures measured in two areas of a house to answer the question.

Area downstairs
upstairs
Temperature (°C)
22
26
Which statement best explains the temperature difference?
• The cooler air downstairs loses energy to the environment.
• Energy from the cooler air is transferred upstairs.
Warm air rises by convection to the upstairs.
Energy is transferred between the areas

The statement "Warm air rises by convection to the upstairs" best explains the temperature difference.