Why Do Drops of Moisture Form on a Cold Glass?
Why Do Drops of Moisture Form on a Cold Glass? The beads of moisture that form on a glass of ice-cold water on a warm day have nothing to do with the liquid inside the...
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Why Does Ice Float?
Ice is able to float because it is lighter than water. Water greatly expands as it freezes into ice. Ten quarts of water produce about eleven quarts of ice. Thus, ice...
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What Is Quicksand?
Quicksand is a deep mass of sand so mixed with water that it will not support any weight. It forms when ground water pushes up and mixes into the sand above, making it...
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How Does Soap Make You Clean?
How Does Soap Make You Clean? Soap is an excellent cleanser because of its ability to act as an emulsifying agent. An emulsifier is capable of dispersing one liquid...
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How Does a Spider Make Its Silk?
Spiders make their own silk. They take the protein from the insects that they eat, break them down, and build them up into web proteins. Spider silk is stronger than...
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