Why Does Your Tooth Become Loose Before It Falls Out?
Why Does Your Tooth Become Loose Before It Falls Out? Your baby teeth become loose before they fall out because the roots that anchor them begin to dissolve. Everyone...
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How Does the Sound Get on Motion Picture Film?
How Does the Sound Get on Motion Picture Film? The sound in a motion picture is provided by a sound track that runs the length of the film on one side. It is a magnetic...
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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 Does Lightning Always Strike the Highest Object Around?
Why Does Lightning Always Strike the Highest Object Around? Lightning is usually attracted to tall structures. Lightning is an electric spark that tries to bridge the...
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How Are We Able to Taste Things?
We are able to taste things due to our taste buds and nose. The tongue is covered with little bumps. Inside these bumps are cells which form our taste buds. Nerves...
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What Is a Birthstone?
What Is a Birthstone? A birthstone is a gem which is a symbol of the month of a person’s birth. Birthstones are and can be worn as jewelry and pendants. Long ago,...
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What Causes the Play of Colors in a Soap Bubble?
What Causes the Play of Colors in a Soap Bubble? The shimmering colors we see in a soap bubble are caused by the interference of light waves. When light strikes a soap...
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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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Do Animals Talk to Each Other?
Do Animals Talk to Each Other? Many animals do talk to each other, but not with words the way people do. Animals communicate with each other by using movements, smells,...
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How Did the First Clocks Work?
How Did the First Clocks Work? The earliest known clocks are sundials. In the ruins of Egypt, a giant sundial, almost 100 feet tall, has been found. Scientists believe...
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