This ERIC Digest investigates the earth and space science guidelines of the National Science Education Standards. These guidelines are frequently referred to as the earth system and include components such as plate tectonics, the water cycle, and the carbon cycle. This Digest describes the development of earth systems science and earth systems…

This digest summarizes the results of the Third International Mathematics and Science Study (TIMSS) as they relate to the interests of K-12 science teachers. TIMSS student achievement results for science are presented along with a brief discussion of how to interpret the scores. The findings of the TIMSS curriculum study and their implications are…