Berkshire Museum
Backyard Rocks
You don't have to travel far to learn about rocks, just step outside, pick up a stone, and begin investigating. After taking a class walk around the school grounds collecting rocks, young scientists practice their skills of observation...
eSchool Today
E School Today: Your Revision Notes on Rocks
Covers the three main types of rocks, different weathering processes, erosion, and the rock cycle.
James Madison University
James Madison University: Keys to Igneous Rock Classification
Click for different identification keys for igneous rocks to help you classify them correctly. Includes various color/texture keys as well as classification charts. (NOTE: At the time of writing this, the PDF links were configured...