What Are Shooting Stars?
If you look up at the sky on a clear night, you may see a “shooting star” flash across the sky, but they are not stars. Shooting stars are bits of space...
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Why Does Hair Turn Gray?
People with gray or white hair didn’t always have hair that color. Their hair may once have been black or brown, light blond or flaming red. Your hair grows from...
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Why Is a Dime Smaller than a Penny?
Why Is a Dime Smaller than a Penny? The answer is that in the early days of coins, silver was used in making dimes and other high-value coins. Each coin had a certain...
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How Do Grasshoppers Make Their Noise?
How Do Grasshoppers Make Their Noise? For a small creature, a grasshopper makes a big noise. You may have heard grasshoppers make chirping sounds much like those made...
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Why Did Pirates Used Eye Patches?
Why Did Pirates Used Eye Patches? The eye patches were not just an evil-looking accessory; they were helpful for living the sea life as well. The eye patch was worn...
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Why Do You Shiver When You Are Cold?
Why Do You Shiver When You Are Cold? When your body gets cold you can help it warm up by doing some kind of exercise. If you do not do that, your body has its own...
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When Were Wax Crayons Invented?
When Were Wax Crayons Invented? The word “crayon” dates to 1644, coming from (chalk) and the Latin word creta (earth). Contemporary crayons are purported to have...
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What Caused the Tower of Pisa to Lean?
What Caused the Tower of Pisa to Lean? The famous Leaning Tower of Pisa in Italy is the campanile (bell tower) of the cathedral in Pisa. The tower tips so far to one...
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What Is the Zodiac?
The Zodiac is a group of constellations that encircle the path traveled by the planets as we watch from the earth. The word “zodiac” is Greek for...
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What Causes Earthquakes?
What Causes Earthquakes? Earthquakes happen when two large pieces of the Earth’s crust suddenly slip. This causes shock waves to shake the surface of the Earth in...
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