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

Question

Responses

Air moves from the areas of higher temperature to areas of lower temperature.
Air moves from the areas of higher temperature to areas of lower temperature.

Cold air is moving into the room from outside.
Cold air is moving into the room from outside.

The density of the air is lower on the inside than on the outside.
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.

Answer 1

The best explanation for 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.

When the window is opened, the cold air from outside enters the warmer room, lowering the overall temperature of the room.