Students investigate the history of Earth by creating a geologic time scale.  In this Earth History lesson, students practice sequencing events in their life as a way to get familiar with creating a time scale.  Students...

After five class sessions, young scientists will be able to identify common rock types: igneous, sedimentary, and metamorphic. This plan involves hands-on activities, includes various handouts and worksheets, and requires there to be...

West of the West's documentary Arlington Springs Man and a two-page scientific article about the same topic provide the text for a reading comprehension exercise that asks individuals to craft a one page summary of information gathered...

Students investigate how the age of sedimentary strata is determined. In this sedimentary strata lesson, students work through problems that show that geological history covers millions of years. They distinguish between relative and...