4Lawrence Hall of Science. University of California :TEACHER GUIDE Earth Materials in FOSS [ M ]. Nashua: Delta Education, 2005.
5郁波.科学(第四册)[M].北京:教育科学出版社,2002.
6National Research Council. Taking Science to School: Learning and Teaching Science in Grades K-8. Committee on Science Leaning, Kindergarten through eight grade. R. A. Duschl, H. A. Sehweingruber, & A. W. Shouse (Eds.) [M] Washington DC: The National Academies Press, 2007.
7Corcorm, T., Mosher, F. A. & Rogat, A. Leaning Progressions in Science: An Evidence-based Approach to Reform. Center on Contin- uous Instructional Improvement [M]. Teachers College, Columbia Uni- versity, 2009.