Question

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

The cooler air downstairs loses energy to the environment.
The cooler air downstairs loses energy to the environment.

Warm air rises by convection to the upstairs.
Warm air rises by convection to the upstairs.

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.

Answer 1

The statement that best explains the temperature difference is:

**Warm air rises by convection to the upstairs.**

This explains why the upstairs is warmer than downstairs, as warm air is lighter and tends to rise, leading to higher temperatures in the upper areas of the house.