N.-Y.: Wiley, 1996. - 112p.
Build a pendulum that swings in intriguing patterns. Create a swirling, spiraling "tornado" of water. Through these and other projects in The Spinning Blackboard, you can learn the science behind the principles of force and motion. Also available in The Exploratorium Science Snackbook Series: The Cheshire Cat and Other Eye-Popping Experiments on How We See the World The Magic Wand and Other Bright Experiments on Light and Color The Cool Hot Rod and Other Electrifying Experiments on Energy and Matter