Inventor's Handbook Weather Author:Tim Walker Discover why thunderstorms and tornadoes occur, how the water cycle works, and why wind is created. Build your own weather monitoring station and record the results of your experiments with everything provided in this specialized kit. You will be able to make a barometer, a wind direction recorder, a humidity monitor, and much more! Some of ... more »the specialized equipment includes: thermometer, test tube, compass, and a specialized chart for recording your experiments.« less