How Did the Solar System Begin?
How Did the Solar System Begin? To this day, the birth of our solar system remains a mystery. Scientists believe that some 4.6 billion years ago, a vast cloud of dust...
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Why Does Water Put out a Fire?
Why Does Water Put out a Fire? When a fireman squirts water on the burning wall of a building, he is putting the fire out in two ways. The water cools the burning...
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How Did Volcanoes Get Their Name?
How Did Volcanoes Get Their Name? Volcanoes were named after Vulcan — the ancient Roman god of fire and metals. According to Roman legend, Vulcan lived under a volcanic...
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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 wick is set on fire, the heat melts some of the wax...
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Why Does a Fire Smoke?
There’s no smoke without a fire. Smoke is an unwanted by-product of fire. When a fire burns, the air around it becomes heated as some of the burning fuel is...
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