Fascinating photos of sedimentary rocks and formations supply a brief overview for your geology class. By viewing these slides, learners discover that sedimentary rocks are made of tiny bits of rock, dirt, or shell that have settled,...

A teacher is videotaped while lecturing to his class regarding the three different types of rocks found on Earth's surface. The focus of the lecture is how to determine what kind of rock you may have picked up in your backyard, in the...

Igneous, sedimentary, and metamorphic. Yes, it's the thee types of rocks. And here's a great video to introduce the young geologists in your class to the rock cycle.

This lesson will present how to identify and classify sedimentary rocks. It is 3 of 3 in the series titled "Geology: Sedimentary Rocks." [4:29]

Investigate the formation of sedimentary rock in this video. [3:18]