Activity
Curated OER

Relative Age Dating

For Students 6th - 8th
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.
Activity
DiscoverE

Core Sampling

For Teachers 6th - 12th
Simulate soil sample assemblages. Individuals create soil layers in a cup. They then use straws to collect core samples from these layers. What information can they glean from the core samples, I wonder?