If you're interested in learning about the igneous rock-forming minerals in seeing multiple pictures of each sample, then this is your site. It also includes the chain that these minerals follow. Click on the PDF link for a printable version of the chart.

An upper-level explanation of clastic sedimentary rock classification. Charts, diagrams, and review questions are included. Be sure to click on the PDF Clastic Identification key.

This site explores the classification of igneous rocks. Content addresses classification based on color and texture, mineral composition, and chemical composition.

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 incorrectly, but the files could be found through a Google search.)

An explanation of the Mohs Hardness scale is followed by illustrations of crystal structures and cleavage.

Mineral photos depicting metallic and non-metallic luster. Includes shiny, glassy, and earthy examples.

James Madison University has developed a variety of online economic lessons for elemenatry students. Explore basic economic and financial concepts.

This exercise in reflective listening is designed to be done with a partner. Instructions are tailored to classroom use, complete with assessment sheets. There is also quite a bit of background material for those doing the exercise. SL.9-10.3 Eval Presentation