This site explores the classification of igneous rocks. Content addresses classification based on color and texture, mineral composition, and chemical composition.

In this interactive tutorial you will learn about the types, forms, and hazards of volcanoes. The types of landform common to volcanic activity is discussed. Then, the landforms commonly resulting from intrusive igneous activity are...

This lesson will present how to identify and classify igneous rocks. It is 2 of 3 in the series titled "Geology: Igneous Rocks."

Introduce to the young scholars the three main types of rocks and the processes that form them. Wax crayons are eroded into sediment, compacted into sedimentary rock, partially melted and pressed into metamorphic rock, and finally melted...

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.

[Free Registration/Login Required] This PDF passage "If Rocks Could Talk!: Obsidian" from the American Museum of Natural History features an interview with an igneous rock named Obsidian. It is part of a paired text with "If Rocks Could...

Covers the three main types of rocks, different weathering processes, erosion, and the rock cycle.

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...

Explore the differences between minerals and rocks.