Where Does Iron Come From?
Where Does Iron Come From? It is the most abundant element in the Earth. The Earth’s core is mostly made up of an iron-nickel alloy. It also makes up about 5% of...
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How Hot Is the Moon?
The sun beats down on the face of the moon without mercy and the heat generated is almost twice that of the hottest day on earth. This scorching goes on without letup...
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Why Does a Dog Pant?
Why Does a Dog Pant? You have probably seen a dog panting on a hot day. When a dog becomes overheated, it sticks out its tongue and pants, or breathes heavily. Panting...
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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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What Causes a Mirage?
What Causes a Mirage? Desert travelers often tell of seeing distant pools of water, only to have the water disappear when they drew near. Those vanishing images are...
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