How Far Can a Flea Jump?
How Far Can a Flea Jump? The ordinary flea can jump about thirteen inches. That is about 100 times the length of its body. If you jumped that well, you could spring the...
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What Do You Mean by the Term under the Weather Bow?
What Do You Mean by the Term under the Weather Bow? When it’s gray and rainy out, does that affect how you feel? This expression comes from the idea that bad...
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What Makes a Boomerang Fly?
What Makes a Boomerang Fly? Boomerangs used most famously by the Australian Aborigines use a very complex combination of physics and aerodynamics to perform their...
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How Much Does the Earth Weigh?
How Much Does the Earth Weigh? Scientists estimate that the Earth weighs about 7 sextillion tons! To get an idea of what that number looks like, you’d have to write a...
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Why Do Tennis Balls Bounce?
Why Do Tennis Balls Bounce? Like many other types of balls, tennis balls have a hollow center filled with air. Like all gases, the air inside a ball moves around easily...
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