Astound your friends! Impress party guests! Annoy your relatives! This book contains 100 fascinating science puzzles. The answer to each problem explains a scientific principle in easy-to-understand terms, so not only are you solving puzzles, you are having fun while you learn! This fun book takes a slightly different look at puzzle questions, and all of the posers are based on real-world science. So you'll learn how to boil water in your palm, why you can crack your knuckles and of course how to walk on fire! Other puzzles include: Can You Burst a Barrel? Turning the Screw More Feathers, More Gold Push or Pull? Did the Earth Move? Can You Make Tea? The Nodding Bird Bombs and Parachutes and many more.