What Gives Opals Their Colors?
What Gives Opals Their Colors? The beautiful flashes of color given off by a precious opal as it is turned and viewed from different angles
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Reflect
Why Do a Cat’s Eyes Shine at Night?
Why Do a Cat’s Eyes Shine at Night? A cat’s eyes shine because they reflect light. Cats have a special mirror-like material in the back of
What Are the Dark Spots on the Moon?
The dark spots we see on the moon are really the moon’s large flat plains. The moon’s rugged surface is covered with mountains, craters, and
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
Why Are There Colors?
Why Are There Colors? Sunlight may appear to be white, but it is actually a mixture of all the colors that can be seen in a rainbow – red, o