A: This book answers questions like; Does space ever stop? Why do wolves howl at the moon? Can you get to China by digging a hole? How does a magnet attract metal? Since salt is not hot, how does it melt ice and snow? If heat makes things expand and cold makes them contract, why does water expand when you freeze it? If we have two eyes, how come we donât see double? If the world is round, wouldnât people on the southern part be upside down? How is the shape of a rainbow formed?
For more than twenty-five years, readers of Highlights for Children have been writing to Dr. Jack Myers to ask questions about science. Dr. Myers, professor emeritus of zoology at the University of Texas and a member of the National Academy of Sciences, answers those questions in a warm, informative manner.