What Makes an Echo?
What Makes an Echo? An echo is a sound that we hear after it is reflected, or bounced back, from some object. When we shout, sound waves travel through the air in all...
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Why Does It Take Longer to Boil an Egg at High Altitudes?
Why Does It Take Longer to Boil an Egg at High Altitudes? If you have ever camped on a high mountain, you probably discovered that it takes longer to cook your food up...
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What Is the Jet Stream?
What Is the Jet Stream? Several miles above our heads in the top part of the stratosphere, winds can blow up to 300 miles an hour. These winds are called the “jet...
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Why Does the Moon Appear Orange Sometimes?
Why Does the Moon Appear Orange Sometimes? Moonlight, before it reaches our eyes, passes through the Earth’s atmosphere. As the light travels through the dusty...
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What Makes the Colors in a Rainbow?
After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled with raindrops. The...
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