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Shape

why does a ball bounce
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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 you

what is fool’s gold
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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

how are party balloons made
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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

what causes rainbows
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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 w

how does a seed become a tree
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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 par