[Free Registration/Login may be required to access all resource tools.] Instructional videos, grade-level texts, interactive activities, and quick assessments about rocks and processes of the rock cycle.

Essential guide to geology of the National Parks focuses on minerals and the different types of rocks. Includes a visual glossary.

A unit on rocks and minerals presented with interactive and classroom activities. Gain understanding of rocks, weather, erosion, earthquakes, and relative dating with this resource.

Understand how to classify rocks and minerals with this concise tutorial.

In this interactive tutorial you'll learn about rocks and the rock cycle. You'll be introduced to the three different rock types and what makes them what they are. You'll also learn about how the matter that makes up these rocks is...

Here is an interactive and printable crossword puzzle developed by the New York Times Learning Network. The theme of this puzzle is Rocks and Minerals.

In this lesson, students will compare types of candy to learn about geological classification. Students will classify and sort different materials by their composition and physical properties.

This is an in-depth activity where students create a rock layer formation using different colors of playdough and investigate the types of folds and rock formations that might occur. They take core samples through anticlines and...

This lesson will explore the process of rock mineral formations. It is 1 of 2 in the series titled "Geology: Rock Mineral Formations."

A flowchart students can use as a tool to identify rocks. They answer yes or no to questions about various characteristics and responses to tests until they can narrow down the possibilities.

Introduce geological terminology used in describing rocks to young students by having them observe and describe something they are familiar with to help them observe and describe the physical characteristics of something unfamiliar like...

Easy-to-understand review of key concepts about rocks and soils, with diagrams, activities, and quiz questions.

Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil...

In this activity, students investigate the properties of six different types of rocks, and answer related questions, e.g., ranking them in terms of durability, inferring possible uses of three rock types, etc.

What are rocks made of? Where do rocks come from? What is an igneous rock? These are just some of the questions answered by the scientists of the U.S. Geologic Survey.

Assess your understanding of the three major categories of rocks with this interactive multiple choice quiz. Immediate feedback is provided.

Students will observe the geology of Minnesota by studying rock and mineral samples.

In this field activity, students measure rock fractures with a geologic compass and formulate a hypothesis to explain the origin of the fractures.

A collection of geology exercises which include relevant background information, complete instructions, student handouts, and answer keys. Topics include rock and mineral identification, Bowen's reaction series, crystal models,...

Geoscience: the Earth presents this article on ore deposits. Read how deposits are found, formed and classified, and the economic viability of these deposits. Included are pictures of many rocks from different types of deposits.

Understand the basics of geologic stresses in this study guide.

This lesson will present how to identify and classify geodes. It is 1 of 2 in the series titled "Geology: Geodes."

This lesson will present how to identify and classify crystals. It is 2 of 3 in the series titled "Geology: Crystals."

Learn how to test a material by using the five main properties of minerals to identify it at this interactive site.