Why Does the Sun Look Red at Sunset?
Why Does the Sun Look Red at Sunset? Sunlight, before it reaches our eyes, must pass through the Earth’s atmosphere. The dust and water particles in the air...
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Where Does My Voice Come From?
When you talk, you are using your voice box, vocal chords, vocal folds, and your diaphragm. Your voice box, vocal chords and vocal folds are in your throat. Your vocal...
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What Causes Lightning?
What Causes Lightning? Lightning is an electric current. During a thunderstorm, water droplets in the clouds become charged with electricity as they are bounced about...
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What Makes the Wind Blow?
What Makes the Wind Blow? Wind is air in motion. Wind is caused mainly by the uneven heating of the air around the earth by the sun. Since the earth’s surface is made...
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Why Does a Jet Plane Leave a Vapor Trail?
Why Does a Jet Plane Leave a Vapor Trail? The white streaks planes leave behind are actually artificial clouds called contrails, which is a shortened version of the...
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