Is Watermelon a Fruit or a Vegetable?
Is Watermelon a Fruit or a Vegetable? Watermelon is a vine-like flowering plant. The fruit of this plant commonly called a watermelon is considered by botanists to be a...
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Why Does Water Put out a Fire?
Why Does Water Put out a Fire? When a fireman squirts water on the burning wall of a building, he is putting the fire out in two ways. The water cools the burning...
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Do Flying Fish Really Fly?
No, flying fish don’t really fly, they just glide over the surface of the water by means of two large, wing like fins. Flying fish glide above the water in order to...
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Where Does Sand Come from?
Sand is made from tiny grains of rocks and minerals. Almost every grain of sand was once part of a big rock. Heat and cold caused cracks in the rocks, and wind and...
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Do Fish Sleep?
Yes, fish do sleep. Because they have no eyelids, they cannot close their eyes, and it may look as though they never sleep. Many fish sleep by simply remaining very...
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