Challenge and stimulate your students with this collection of puzzles, games and exercises-all focused on important physical science topics. Over 200 puzzles are provided. Perfect for classroom extensions, homework problem sets, and a substitute who needs to teach a physical science lesson. Major topics including measurement, matter, chemical reactions, natural and synthetic materials, forces and energy, electricity and magnetism, light and sound, water, atmosphere and weather, space, and the Earth are covered. Includes reproducible student worksheets and teacher answer keys. 2007, 75 pages, 8¼" x 11", soft cover.