Module 1: Stories of the Past (Stories of a Changing World):

Earth Science Essentials

Cross-cutting Relationships

This unit examines how to infer the sequence of past events based on cross-cutting relationships seen in rock. Individual lessons will open in a new page--simply close the page when done and return here.

• Cross-cutting Relationships Lecture (3:52 min)


• Cross-cutting Relationships Text, interactive text


• Cross-cutting and Stratigraphic puzzles lab, interactive text


• Extra Resources: Grand Canyon Explain it challenge. Writing exercise.


• Extra Resources: Stories and Sequences. Writing exercise.


• Extra Resources: Cross-cutting and Sequencing lab


• Extra Resources: Cross-cutting and Sequencing lab walk through

10/27/2017--pictures and text copyright Russ Colson