When Does an Avalanche Occur?
When Does an Avalanche Occur? An avalanche occurs when a mass of snow which has built up on a mountainside begins to slip and finally to fall. There can also be...
Read MoreWhen Does an Avalanche Occur? An avalanche occurs when a mass of snow which has built up on a mountainside begins to slip and finally to fall. There can also be...
Read MoreWhat Are Ingots? Ingots are blocks of cast metal from which other things are made. You have probably heard of cast iron. Casting is the process by which molten metal is...
Read MoreEnergy is the power to act. There are several different forms of energy, and one kind can be changed into another kind. But although it can be changed from one form...
Read MoreWhen Does an Atom Split? An atom splits when it is struck by a neutron. The nucleus of the atom then breaks into two roughly equal parts and, at the same time, shoots...
Read MoreWhat Is the Uvula? The uvula is a small mass of muscle covered by mucous membrane that hangs down from the middle of the soft palate at the back of the mouth. The soft...
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