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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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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What Causes Volcanoes?
What Causes Volcanoes? Volcanoes form when pressures within the earth force melted rock and gases upward through cracks in the surface. The earth’s crust is made...
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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 Compass Point North?
Why Does a Compass Point North? There are two important things that make compass needles point the way that they do. The first is the needle and the second is the...
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