Item AM073002: The molecules of hot air are farther apart than the molecules of cold air.

How do the molecules of hot air differ from the molecules of cold air?

  1. The molecules of hot air are farther apart than the molecules of cold air.
  2. The molecules of hot air have less mass than the molecules of cold air.
  3. The molecules of hot air have more heat molecules mixed with them.
  4. The molecules of hot air are smaller than the molecules of cold air.