What Is the Difference Between Boats and Ships?
What Is the Difference Between Boats and Ships? Today, the word “ship” usually means any large vessel that can cross an ocean under its own power. Small...
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Why Is the Lion Called King of Beasts?
Why Is the Lion Called King of Beasts? The lion is often called the “king of beasts.” This is not because the lion can defeat almost all other animals in...
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How Does a Dam Produce Electricity?
How Does a Dam Produce Electricity? Much of the electricity we use is produced by power plants located in huge dams. Such plants, called hydroelectric plants, are run...
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How Does a Car Engine Work?
How Does a Car Engine Work? A car engine works by burning a mixture of gasoline and air inside a cylinder. When the engine is turned on, gasoline first goes into a...
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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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