Why Does a Ball Bounce?
Why Does a Ball Bounce? No matter if a ball is solid or inflated, it bounces because it is elastic. Take a rubber ball and squeeze it in your hand. When you let it go,...
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What Is Fool’s Gold?
What Is Fool’s Gold? Many prospectors have found what seemed to be gold, but instead turned out to be a bright yellow mineral called “iron pyrite.” Looking...
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How Are Party Balloons Made?
How Are Party Balloons Made? The balloons you see at a birthday party or a circus began as latex, the milky liquid of rubber trees, and can be filled with air, helium,...
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What Causes Rainbows?
What Causes Rainbows? When the sun is out during or right after a shower, a rainbow appears in the sky. When sunlight strikes the drops of water in the air, the...
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How Does a Seed Become a Tree?
How Does a Seed Become a Tree? Inside a tree seed are the beginnings of the root, trunk, and leaves of a fully grown tree. They form the part of a seed called the...
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