Why Does Soda Pop Fizz?
Why Does Soda Pop Fizz? The bubbles in a soft drink are made by a tasteless gas called carbon dioxide gas. This bubbly gas gives the drink its tangy, sharp taste. Soft...
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What Is Paint Made From?
What Is Paint Made From? Ordinary house paint gets its color from colored powders called pigments. Pigments can come from ground-up rocks, or coal, or tar, or chalk and...
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What Makes the Bubbles Form When Water Boils?
What Makes the Bubbles Form When Water Boils? When you boil water in a tea-kettle, you heat it to the point where it changes from a liquid to an invisible water gas...
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How Does a Tree Make Sap?
How Does a Tree Make Sap? Sap is the liquid that flows through trees and other plants and helps them live and grow. The roots of a tree draw from the soil a combination...
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How Does Dew Form?
How Does Dew Form? On clear summer mornings the grass is often wet with dew. Dew is liquid water droplets that form on grass, spider webs and other things in the early...
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