Curated OER
Relative Age Dating
Modeling dough and paper cutouts in science class? Learn about how relative age dating concepts, like the Law of Superposition and cross-cutting relationships, can be used to describe the formation of sedimentary layers.
NOAA
Wooly Magma
Model the earth's core with a neat activity that uses science as an inquiry and step-by-step procedures. The activity acquires a lot of assistance from the teacher or volunteer helpers.
US Environmental Protection Agency
Tree Rings: Living Records of Climate
Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...
Consortium for Ocean Leadership
Nannofossils Reveal Seafloor Spreading Truth
Spread the word about seafloor spreading! Junior geologists prove Albert Wegener right in an activity that combines data analysis and deep ocean exploration. Learners analyze and graph fossil sample data taken from sites along the...