This National Park Service site has information about these fossil beds in Nebraska and where the name Agate came from.

This lesson plan is designed to allow young children to investigate rocks using the book Sylvester and the Magic Pebble.

This manual was created by 4th grade students at the Alice B. Beal Magnet School in Springfield, Massachusetts, during a learning expedition on rocks and minerals. The expedition included fieldwork to local geological sites and to...

Investigate the subject of minerals including characteristics, properties such as luster and streak, types of minerals, and fun facts on this site.

A suite of lessons focusing on all aspects of how mountains are formed. Inquiry-based exploration of mountain building includes the rock cycle, mountain formation, plate tectonics, earthquakes, volcanoes, erosion, rocks, minerals, and...