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In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events.

In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

In this activity, learners act as epidemiologists by mapping the prevalence of HIV/AIDS worldwide.

In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.

Learners explore the relationship between energy consumption, population, and carbon emissions in the countries of the Americas.