What Causes a Rainbow?
What Causes a Rainbow? After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled with...
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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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How Does a Seed Become a New Plant?
How Does a Seed Become a New Plant? Inside the shell, or seed coat, of a seed are the tiny beginnings of the new plant, called the embryo. The embryo lies dormant until...
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Why Does the Ocean Look Blue?
Why Does the Ocean Look Blue? The ocean usually appears to be blue. However, sea water, as anyone knows who has splashed about in the surf, is actually colorless. The...
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What Causes the Change of Seasons?
What Causes the Change of Seasons? The movement of the Earth around the sun causes the seasons. The Earth is tipped slightly as it moves along its path around the sun....
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