What Is a Tornado?
What Is a Tornado? A tornado is a great whirling windstorm. Tornadoes start in muggy thunderstorm weather, when hot, moist air meets cold, dry air. The heavier, cold...
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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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Can You Hear the Sea in a Seashell?
Can You Hear the Sea in a Seashell? No, you can’t hear the sea in a seashell. When you hold an empty conch shell to your ear, you hear a faint roaring sound, but...
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What Is a Gyrocopter?
A Gyrocopter is a modern aircraft, which aside from its various usage features. Low functioning price, and special flight, today has become the safest flying device in...
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What Is a Shooting Star?
Keep reading to find out. What Is a Shooting Star?Shooting stars are bits of space matter called meteors. Billions of meteors, most of them no bigger than grains of...
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