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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How Can Ice Cream Make Your Teeth Hurt?
How Can Ice Cream Make Your Teeth Hurt? Sometimes a bite of ice cream will make your teeth hurt or give you an “ice cream” headache. The nerves in your...
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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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How Does My Hair Grow?
How Does My Hair Grow? Your hair grows out of tiny openings in your skin. These holes, which are too small to see, are called “follicles.” Each hair is a...
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Can Frogs Live in Saltwater Environments?
Can Frogs Live in Saltwater Environments? Frogs generally cannot handle living in saltwater environments. If they for any reason are put into saltwater, they usually...
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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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How Does a Cricket Make Its Chirping Sound?
How Does a Cricket Make Its Chirping Sound? Crickets make their chirping sounds by rubbing their wings together. Only male crickets make this sound. They attract female...
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Why Does My Hair Turn Light in the Sun?
Why Does My Hair Turn Light in the Sun? Hair color comes from a pigment, melanin that is added to your hair as it is made in the skin of your scalp. Melanin helps...
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How Do Sailboats Sail into the Wind?
How Do Sailboats Sail into the Wind? Sailboats cannot sail directly into the wind. They can, however, sail upwind by following a zigzag course so that the wind pushes...
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What Is a Mule?
A mule is an animal that has a donkey for a father and a horse for a mother. Mules have no offspring of their own. It looks a bit like both parents. Like the donkey, a...
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