Presents photographs of examples of clastic, chemical, and organic sedimentary rocks, with short descriptions underneath each rock image. Each rock name is also linked to its own dedicated page with a great deal of additional information...

In-depth resource for identifying rocks. Includes an interactive rock identification key to help you figure out the name of your rock.

Explore the different types of rocks on our Earth as you watch a one-hour video, accompanied by learning goals, details on sedimentary rocks, fossils, and supercontinents, and more.

Rocks cover the earth's surface, including what is below or near human-made structures. With rocks everywhere, breaking rocks can be hazardous and potentially disastrous to people. Students are introduced to three types of material...

Sedimentary rock forms in layers that are deposited one after the other over long periods of time. Oftentimes, sedimentary rock contains fossils and other debris that are deposited within the layers. Use this experiment to investigate...

Use crayons to model the rock cycle in this fun activity! You will make colorful sedimentary, metamorphic, and igneous "rocks" from crayon shavings.