Why Don’t Fish Sink?
Why Don’t Fish Sink? Fish have adapted to life in water. They are able to move in water, of course. Their body density is slightly smaller than the water in which they...
Read MoreWhy Don’t Fish Sink? Fish have adapted to life in water. They are able to move in water, of course. Their body density is slightly smaller than the water in which they...
Read MoreWhat Are Sun Dogs and How Do They Form? The bright, colored areas of light beside the Sun are known as sun dogs (sundogs). They’re often approximately 22 degrees...
Read MoreWhat Happens to a Lost Balloon? The toy balloon sold at fairs that tugs on the end of a string is filled with a gas that is much lighter than the air around it. If you...
Read MoreWhy 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...
Read MoreWhy Does an Ice Cube Float? Ice cube floats because it is lighter than water. When water freezes, it increases its volume (expands) by about one-tenth. When 10 quarts...
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