A teacher opens a window on a cold day. Which statement explains why the room starts to feel cooler? (1 point)

Question

Cold air is moving into the room from outside.
O The density of the air is lower on
the inside than on the outside.
The kinetic energy of the air
• molecules outside is higher than the kinetic energy of the air molecules inside.
Air moves from the areas of higher
• temperature to areas of lower temperature.

Answer 1

The correct statement that explains why the room starts to feel cooler when a teacher opens a window on a cold day is:

Cold air is moving into the room from outside.

This is because when the window is opened, the colder air from outside enters the room, replacing the warmer air inside, which results in the overall decrease in the room temperature.