The basic principles of geologic processes, materials, and history with primary emphasis on inquiry-based laboratory and field?activities. The course is designed in conjunction with PHY 160 to provide basic concepts of earth science, astronomy and physics appropriate for elementary and middle school teachers. Both courses are taught with an emphasis on inquiry-based, laboratory activities. Lecture, two hours per week; laboratory, three hours per week. Not available for credit to students who have received credit for GLY 220.