TellMeWhy

A wonderful and marvelous collection of answers to intriguing questions everyone ask about the world covering almost every subject, from science and history to art, language, mathematics, technology, and homeschooling

how do mirrors work
TellMeWhy

How Do Mirrors Work?

Most mirrors are made of a sheet of polished glass with a thin coat of silver paint on the back. The silver backing reflects the light that

how do birds fly
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How Do Birds Fly?

Most birds are well suited for flying. First of all, a bird has feathers and wings, and powerful muscles in its breast with which to flap th

how do glaciers form
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How Do Glaciers Form?

A glacier is a great river of ice that moves slowly down a mountain. Glaciers form in high mountain valleys, where summers are so cold that

why does the camel have a hump
TellMeWhy

Why Does the Camel Have a Hump?

The camel’s best known feature is the hump on its back. The camel’s hump is mostly fat that provides nourishment when food is hard to find.