A teacher opened the window on a cold day. Which statement explains why the room starts to feel cooler is it cold air is moving into the room from outside air move from the areas of higher temperature to areas of lower temperature, the kinetic energy of the air molecules outside is higher than the kinetic energy of the air molecules inside or the density of the air is lower on the inside and on the outside.
The statement that best explains why the room starts to feel cooler when the window is opened on a cold day is: the cold air is moving into the room from outside.
