When you turn on a light, ring a doorbell, or plug in a coffee pot, you start a parade—but it’s a parade you can’t see! The parade is a parade of moving, pushing electrons (ih trahnz). The energy…
> Platypus The platypus, or duckbill, is a mammal, but it seems to be part bird, too. It has a body like a beaver and a bill and feet like a duck. A mother platypus gives milk, as all mammal mothers…
Long ago, people thought that rainbows were magic. Some people believed that a rainbow was a bridge that appeared in the sky when the gods wanted to leave heaven and come down to earth. People also…
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