NOVA Online | Balloon Race Around The World

Balloon Race Around The World menu (see bottom of page for text links)

Map of world, with balloon headed for the Matterhorn, and jet streams marked

Beautiful lift-off! You're up now and traveling east with a wind current at 914 m (3,000 ft). Uh-oh, looks like you're heading straight for the Matterhorn on the border of Italy and Switzerland! The Matterhorn is a mountain 4,478 m (14, 692 ft) high. What are you going to do?

I choose to turn the burner down so that the air will cool.
I choose to turn the burner up to heat the air.