Why Can I See My Breath on a Cold Day?
Why Can I See My Breath on a Cold Day? On a cold day you can see a small steamy cloud each time you blow out your breath. Your breath has moisture in it. Air is warmed...
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Is There Any Difference Between Fog and Clouds?
Is There Any Difference Between Fog and Clouds? No – fog is actually a cloud which lies close to the ground. Clouds form wherever the air cools below the dew...
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Why Does a Glass Crack When Hot Water Is Poured into It?
Why Does a Glass Crack When Hot Water Is Poured into It? An ordinary drinking glass may crack if you pour hot water into it. Glass expands, or swells, when it is made...
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What Makes Hail?
During a thunderstorm, balls of ice, called hail, may fall. Hail starts as rain. Before the drops can fall, strong air currents carry them to the upper part of the...
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What Causes Goose Pimples?
What Causes Goose Pimples? Sometimes when we are cold or frightened, little bumps, called goose pimples, form on our skin. We may also get a prickly feeling that makes...
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