★ Key Takeaways
As the Molecules Heat and Move Faster, They Are Moving Apart. So Air, Like Most Other Substances, Expands When Heated and Contracts When Cooled. Because There Is More Space Between the Molecules, the Air Is Less Dense Than the Surrounding Matter and the Hot Air Floats Upward.
Catch up with Why Is Warm Air Less Dense Than Cold Air. Our latest report covers the primary developments in this concise summary.
As the Molecules Heat and Move Faster, They Are Moving Apart. So Air, Like Most Other Substances, Expands When Heated and Contracts When Cooled. Because There Is More Space Between the Molecules, the Air Is Less Dense Than the Surrounding Matter and the Hot Air Floats Upward.
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