Explain why hot air balloons float above the ground, and why the second story of a two-story home is often warmer than the ground story.
Added by Salvador M.
Step 1
The air inside the balloon is heated, which makes it less dense than the cooler air outside the balloon. This difference in density causes the balloon to float upwards in the cooler, denser air. This is similar to how a cork floats on water - the cork is less Show more…
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