What Causes the Ring Around Moon?
What Causes the Ring Around Moon? We can sometimes see a big ring of light around the moon. A ring around the moon is caused when the moon shines on thin clouds made of...
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Why Does It Take Longer to Boil an Egg at High Altitudes?
Why Does It Take Longer to Boil an Egg at High Altitudes? If you have ever camped on a high mountain, you probably discovered that it takes longer to cook your food up...
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How Did the Red Sea Get Its Name?
How Did the Red Sea Get Its Name? The Red Sea is a narrow body of water that is almost closed in by land. It separates the Arabian Peninsula and the northeast coast of...
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Do Hippos Sweat Blood?
Sometimes the hippo’s thick hide becomes covered with pinkish dew. He looks to be sweating blood, but actually, this is not so at all. The big fellow spends about half...
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How Does a Siphon Work?
How Does a Siphon Work? A siphon is a self-powered pump. Fill a rubber tube with water and pinch the ends to keep the water in. Put one end in a glass of water on a...
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