Most Recent Posts
How Can Fish Breathe in Water?
Fish breathe with gills, which are inside the fish’s head on each side of its throat. Some fish have as few as two gills…
How Does a Microscope Work?
How does a microscope work? The simplest kind of microscope is a hand-held magnifying glass. The glass, which is ground into a curved shape,
How Does a Candle Burn?
How does a candle burn? A candle is a stick of wax with a wick, or woven cord, running through its center. When the…
What Is the Purpose of Wax in Our Ears?
What is the purpose of wax in our ears?The soft, brownish, waxy substance found in the ear canal protects the inner ear from foreign…
Why Is New York City Called the Big Apple?
Keep reading to find out. Why Is New York City Called the Big Apple? In 1920's when New York Morning Telegraph sports writer John…