Curated OER
How Old Is Illinois?
High schoolers use fossils found in rocks to determine the age of the strata between Rock Island and Chicago. Pupils pretend they are geologists. They must determine the age of all rock layers between the Mississippi River and Lake...
Curated OER
Linkages Between Surface Temperature And Tropospheric Ozone
Students organize and analyze data regarding changes in tropospheric ozone and then hypothesize about the consequences of these changes.