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Mass

why does ice float
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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 eleve

what is quicksand
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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 int

why do clouds change shapes
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Why Do Clouds Change Shapes?

Why Do Clouds Change Shapes? Clouds change their shapes because parts of clouds evaporate when they come into contact with warmer air. A clo