Curiosity stirs the soul of every human. Who has not wondered about how the human body works? Can a person drink too much water? How does gravity make things fall? Why do sunflowers always face the sun. What about a man flying with wings? How big would those wings have to be? How tall can a human grow? Why are tennis balls fuzzy? What happens to the white when snow melts? What does Einstein's famous equation really mean? Why can't we invent a time machine? Do aliens live among us? What is heavy water? Why is it quiet after a snowfall? Why do dogs drool? How risky is driving a car? Mysteries lurk in our house, our body, the outdoors, in the heavens, and the universe...

Whether it's called soccer, football, or the world's game, soccer is fun and has been deemed the most popular sport in the world. Soccer is about motion. Physics is about the laws of motion, and it can be applied to ball games. Combining soccer and physics is one way to appreciate the high-speed aspects of the sport...