[Free Registration/Login may be required to access all resource tools.] Covers metamorphic rocks, which form from previous rocks exposed to heat and/or pressure.

Explains what protoliths, i.e., parent rocks, are and gives examples of protoliths and the metamorphic rocks they transform into. Each example is accompanied by photographs.

A lab with good info on metamorphic rock definitions, factors, grades, types, and composition. These are lecture notes and overheads from a geology class, and useful for review.

Gain an understanding of the cycles that form metamorphic, sedimentary, and igneous rocks.

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

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...

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

Learn about various rock types and the rock cycle.

If you want to plant a class garden, this is a great resource for combining geometry, Native American studies, and rocks.

Looking for more information about plate tectonics and what happens at plate boundaries? This site gives definitions of all plate boundaries as well as animations to help visualize what is happening.

An explanation of the differences between limestone and marble, including some excellent pictures.