What is a warm front? What causes changes in atmospheric pressure and how can you measure it? How is lightning formed? Discover the answers to these questions and more through experiments and making your own weather equipment like a barometer and hygrometer! The text is interspersed with helpful illustrations and black and white photos. "Science Fair Spin" sections provide ideas for turning the experiments into longer projects. This book is ideal for anyone who is interested in learning about weather! Paperback. 134 pp. Ages 8 & up.