Item WC094002: Air temperature decreases with increasing distance above sea level.

As a family climbs a mountain, they notice that it is windier, cloudier, and feels colder the higher they climb. Each family member has a different explanation for why the air feels colder higher on the mountain. Which of the following explanations is TRUE?

  1. The air temperature is actually increasing because they are getting closer to the sun, but it feels colder because it is windier higher on the mountain.
  2. The air temperature is not changing, but it feels colder because it is windier higher on the mountain.
  3. The air temperature is not changing, but it feels colder because they are closer to the clouds the higher they climb.
  4. It feels colder because the air temperature is actually decreasing the higher they climb.