Geode Formation

Geodes are a type of rock that often have crystals or colorful mineral rings inside them. In this introductory worksheet, learners will read about the two types of geodes, volcanic and sedimentary, and then peek inside a geode for crystals. Five fill-in-the-blank questions help reinforce what they have learned. Designed for fifth graders, this earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.