Rocks hold the history of the earth and the materials that will be used to build its future. This website holds a treasure of information regarding igneous, metamorphic and sedimentary rocks.

Learn about metamorphic, igneous, and sedimentary rocks and see many examples of each type.

Learn about the processes involved throughout the creation of sedimentary rock.

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...

Eight hands-on lessons module where students learn about rocks and landforms. These inquiry-based investigations explore the different types of rocks, how they are formed, the different types of landforms, and the effects of glaciers on...

[Free Registration/Login Required] An informational text about sedimentary, igneous, and metamorphic rock. A question sheet is available to help students build skills in reading comprehension.

A well-designed instructional activity on rocks where learners first learn about how the three categories of rocks form (sedimentary, igneous, and metamorphic), then must examine the features of different rock samples, and determine...

A good resource if you want a quick overview of the formation process for igneous, metamorphic and sedimentary rock.

Dig into the layers of activities exploring and investigating minerals and how they are related to both rocks and soil.

[Free Registration/Login may be required to access all resource tools.] Presents the three major rock types and the rock cycle.

Students learn the components of the rock cycle and how rocks can change over time under the influence of weathering, erosion, pressure and heat. They learn about geotechnical engineering and the role these engineers play in the...

Overview of rocks including igneous rocks, sedimentary rocks, metamorphic rocks, and the rock cycle.

[Free Registration/Login Required] Students read about three different types of rocks: sedimentary, igneous, and metamorphic. A question sheet is available to help students build skills in classifying and categorizing.

Test your knowledge of different types of rocks by taking a quiz. Determine if each picture shows an igneous, metamorphic, or sedimentary rock.

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

Learn about the differences and similarities between the three different types of rocks on this page.

This learning module helps students understand the three types of rock: sedimentary, igneous and metamorphic and how they are formed.

Did you know that there are some rocks that actually float? Follow this interactive investigation to find out which ones and why.

This tutorial explains the rock cycle--from beginning to end! It is full of activities, assessments, games, slideshows and all kinds of interactive material. Learn what rocks are made of and how they change from one form to another....

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

An interactive animation showing the rock cycle. By clicking on the different parts of the cycle, students can view definition of rock types and animations of the processes that happen within the cycle.

What is igneous rock? How is it formed? What makes igneous rock different from sedimentary rock or metamorphic rock? This interactive OLogy card answers these and similar questions.

A slideshow, a karaoke song to sing along to, and a short multiple-choice quiz on metamorphic rocks.

A video, a karaoke song to sing along to, and a short multiple-choice quiz on what happens during the rock cycle.