How Does a Clam Make Its Shell?
If you have ever examined a clam shell, you may have wondered how the shell got bigger as the clam grew. A clam is born with a shell just the right size for its body....
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How Do Trees Grow Tall?
How Do Trees Grow Tall? Trees don’t grow taller by growing from the bottom. Carve your initials in a tree and they will still be the same height from the ground ten...
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Why Do My Muscles Grow Tired When I Exercise?
Why Do My Muscles Grow Tired When I Exercise? If you use your muscles for a long time when you exercise, a waste material called “lactic acid” collects in...
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Where Does My Voice Come From?
When you talk, you are using your voice box, vocal chords, vocal folds, and your diaphragm. Your voice box, vocal chords and vocal folds are in your throat. Your vocal...
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Do Fish Drink the Water They Live In?
Do Fish Drink the Water They Live In? Fish consume the water they inhabit if it agrees with their system. Since the bodies of freshwater fish are much saltier than the...
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