Why Is It Hotter in Summer than in Winter?
Why Is It Hotter in Summer than in Winter? During the summer, the sun shines most directly on the earth, bringing more heat. The earth tilts, or tips, a little to one...
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Why Do We See Snow on High Mountains During Summer?
Why Do We See Snow on High Mountains During Summer? We often see snow on high mountaintops during the summer because the temperature never gets warm enough for all the...
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What Is a Fever?
Fever is a body temperature that is higher than normal. (If your body temperature is higher than 98.6 degrees Fahrenheit when you are sick, you probably have a fever.)...
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Why Must a Fever Thermometer Be Shaken?
Why Must a Fever Thermometer Be Shaken? A fever thermometer is made so that the mercury in the tube will remain at the highest point it registers, so it can be read...
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What Causes the Mists above Lakes and Ponds?
What Causes the Mists above Lakes and Ponds? The mist that may be seen above ponds and lakes on cold winter mornings and clear summer nights is sometimes called steam...
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