Geologic time scale is a very important concept for understanding long-term earth system events such as climate change. This study examines forty-three 4th-8th grade Native American--particularly Ojibwe tribe--students' understanding of relative ordering and absolute time of Earth's significant geological and biological events. This study also…

The purpose of the American Association for the Advancement of Agricultural Teaching, as stated in its constitution, is "to promote the teaching of agriculture and to devise ways and means for increasing the efficiency of such instruction in elementary and secondary schools and in colleges and universities." The time is opportune perhaps…