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Where Does Snow Come From?
Snow is a form of precipitation like rain and sleet. Snow forms in clouds when the air temperature up there gets below freezing. Water…
Why Do Cats’ Eyes Shine at Night?
Why Do Cats’ Eyes Shine at Night? A cat's eyes shine at night because they reflect light. Cats' eyes contain a special mirror-like lining.
How Fast Can Winds Blow?
How Fast Can Winds Blow? In the United States, most winds average eight or twelve miles an hour near the ground. At this speed,…
What Makes Clouds and Why Do They Change Their Shapes?
What Makes Clouds and Why Do They Change Their Shapes? Clouds consist of droplets of water or tiny crystals of ice that float in…
Who Steers a Train?
Believe it or not, nobody steers a train. The wheels of a train and its rails work together to steer the train. The wheels…