Module 2: Stories of the Present (How Do We Know?):

Earth Science Essentials

Title: Braided river in Alaska

How Do We Know? Discovering Things We Can't See

This unit considers how we can explore the Earth's deep interior, a place we can't see. Individual lessons will open in a new page--simply close the page when done and return here.

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