CK-12 Foundation
Ck 12: Earth Science: Igneous Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify igneous rocks.
Sophia Learning
Sophia: Geology: Igneous Rocks: Lesson 3
This lesson will present how to identify and classify igneous rocks. It is 3 of 3 in the series titled "Geology: Igneous Rocks."
Sophia Learning
Sophia: Geology: Igneous Rocks: Lesson 2
This lesson will present how to identify and classify igneous rocks. It is 2 of 3 in the series titled "Geology: Igneous Rocks."
Read Works
Read Works: Earth Rocks
[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.
New York Times
New York Times: Crossword Puzzle: Rocks and Minerals
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.
TeachEngineering
Teach Engineering: Rocks, Rocks, Rocks
Students test rocks to identify their physical properties (such as luster, hardness, color, etc.) and classify them as igneous, metamorphic or sedimentary. They complete a worksheet table to record all of the rock properties, and then...
Sophia Learning
Sophia: Geology: Rock Classification Overview
Understand how to classify rocks and minerals with this concise tutorial.