How Deep Is the Deepest Spot in the Ocean?
How Deep Is the Deepest Spot in the Ocean? Off the island of Guam in the Pacific Ocean is a very deep, crescent-shaped trench called the “Mariana Trench.” Near the...
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How Are Bubbles Put into Soda Pop?
How Are Bubbles Put into Soda Pop? The bubbles in your favorite soft drink are made by a colorless, tasteless gas called carbon dioxide. This bubbly gas gives soda its...
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Why Is the Great Salt Lake Salty?
Why Is the Great Salt Lake Salty? You don’t need an air mattress to float on the surface of the Great Salt Lake in Utah. The water is so salty that you cannot...
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Why Is Ice Slippery?
It is hard to walk on ice because its smooth, frozen surface causes you to slip. Ice is slippery not only because it is smooth but also because it melts under the...
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Why Does Venice Have Canals?
Why Does Venice Have Canals? No other city is quite like Venice. This old and beautiful Italian city was not built on solid ground. Instead, it lies on a group of small...
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