Robert G. Hoehn
A handy source of 180 quick activities that turns downtime into learning time. Each page covers a single earth science topic - geology, minerals, meteorology, oceanography, and more! Short quizzes, word games, and multiple choice questions help students build a solid foundation in the principles of earth science. Great for introducing new concepts, reviewing key facts, or brushing up on skills. Grades 5-12, © 2002.