What Is an Internal Combustion Engine?
What Is an Internal Combustion Engine? An internal combustion engine is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a...
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How Does a Siphon Work?
How Does a Siphon Work? A siphon is a self-powered pump. Fill a rubber tube with water and pinch the ends to keep the water in. Put one end in a glass of water on a...
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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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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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How Does a Rocket Engine Work?
How Does a Rocket Engine Work? You can make a simple rocket by filling a toy balloon with air and letting it go. Rockets work on the Newton’s principle that every...
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