Why Do Some Flowers Close up at Night?
Why Do Some Flowers Close up at Night? Flowers close their petals at night because they are protecting the pollen and other reproductive parts of the plant that are...
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How Do Starfish Move About?
How Do Starfish Move About? A starfish (or sea star) creeps along the bottom of the sea in a rather peculiar way. It has hundreds of tiny tube-like “feet”...
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Why Do Crocodiles Eat Rocks?
Why Do Crocodiles Eat Rocks? Crocodiles swallow rocks to aid in grinding food for digestion. The crocodile swallows its prey whole, or tears off big chunks of food and...
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Are All Sharks Dangerous?
Are All Sharks Dangerous? No – only a few kinds of sharks attack people. In fact, some sharks are frightened by people. There are 480 kinds of sharks. About 03...
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Are Icebergs Made of Salt Water?
Are Icebergs Made of Salt Water? Icebergs do not consist of salt water, but are made of fresh-water ice. They do float in salt water. Icebergs begin as snow, high in...
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