Question 5 — How are mountain and valley - Questions at the end of the chapter - Chapter 13 - Earth as a System: Energy, Matter, and Life (Exploration)

Last updated at July 3, 2026 by

Question 5
How are mountain and valley breezes formed? Suppose there are two mountains, one covered with grass and another covered with barren rocks; would the temperature of the two mountain breezes be different? If so, how?
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  • By day, sun-heated slopes warm the air, which rises, drawing a valley breeze up the slopes; by night the cooled slopes send a mountain breeze down.
  • Yes — the barren-rock mountain heats and cools faster than the grass-covered one, so its slopes reach higher and lower temperatures, making its breezes stronger and more extreme.
Slope Breezes Slopes heat by day and cool by night Air rises, then later sinks Barren rock heats faster than grass So its breezes are stronger
Back to: 13.2.1 Local winds
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