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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaPhysics concept

These mechanical waves carry audible vibrations through a medium such as air or water.

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Your new ahaSound Waves

Sound travels as vibrations through a medium and moves faster through water than through air. Source: Sound ↗

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  1. 17Most materials become slightly larger when heated through this process.RECALL
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    Thermal expansion makes most materials grow slightly as they heat, loosening a stuck lid under hot water.

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  2. 18Circulating fluid carries heat in this process, as warm air rises above a radiator.RECALL
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  3. 19Heat travels through a metal spoon left in hot soup by this process.RECALL
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    Conduction passes heat directly between touching materials, heating a metal spoon left in hot soup.

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