How Do Plants Give off Oxygen?
How Do Plants Give off Oxygen? Plants give off oxygen during the process of photosynthesis. Using green chlorophyll (which gives them their color), the leaves of plants...
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Why Does the Highway Look Wet on a Hot Day?
Why Does the Highway Look Wet on a Hot Day? On a summer day you may have noticed a pool of water ahead of you in the road. When you get closer, the pool of water...
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How Do Water Striders Walk on Water?
How Do Water Striders Walk on Water? Water striders, or pond skaters, are held up by the surface film on a body of water. Find a marsh, pond, or quiet creek, and...
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Why Does Ice Float?
Ice is able to float because it is lighter than water. Water greatly expands as it freezes into ice. Ten quarts of water produce about eleven quarts of ice. Thus, ice...
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What Causes the Mists above Lakes and Ponds?
What Causes the Mists above Lakes and Ponds? The mist that may be seen above ponds and lakes on cold winter mornings and clear summer nights is sometimes called steam...
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