Curated OER
Project Geode
Young geologists attempt to predict the appearnace of a geode's internal structure based on how it looks from the outside, its mass, and its physical characteristics. In this geologly lesson, learners use scientific equipment to collect...
Curated OER
Geology Rocks
Middle schoolers discuss information relating to Illinois geology. They examine top mineral resources in Illinois to find detailed information about geodes and where they can be found. Students complete geode lab to explore external...
Curated OER
Crinoids: Flowers f the Iowa Seas
Students study the rocks and fossils associated with the geologic landscape of Iowa. In this rocks and fossils instructional activity, students examine fossils that would be found in the Iowa landscape that show evidence of marine...
Sophia Learning
Sophia: Geology: Geodes: Lesson 1
This lesson will present how to identify and classify geodes. It is 1 of 2 in the series titled "Geology: Geodes."
3D Toad
3 dtoad.com: Special Geology
A 3-D view of special geological rocks including Anhydrite, Azurite, Celestite, Fluorite, Kyanite, Opal, and Quartz Geode.
Indiana University
Indiana University Bloomington: Geo Notes: Geodes: One of Nature's Mysteries
Explains what geodes are, how they form, and where they can be found in Indiana.
Indiana University
Indiana University: Reference Documents: Geodes: One of Nature's Mysteries [Pdf]
A fact card describing the properties and characteristics of geodes, where they can be found, and how they may have formed.
Sophia Learning
Sophia: Geology: Rock Classification Overview
Understand how to classify rocks and minerals with this concise tutorial.
Curated OER
National Park Service: Agate Fossil Beds: Geologic Formations
This National Park Service site has information about these fossil beds in Nebraska and where the name Agate came from.