From Our Editors
A simple explanation of how a shadow is formed.
From the Publisher
When you run, your shadow runs. But you can never catch it!What makes a shadow? Where does it come from? When the sun is shining, everything has its own shadow -- trees, houses, cars, even clouds and planes way up in the sky. You have a shadow, too. As the sun sets, all shadows become part of a much larger one -- the night! With simple...