[Free Registration/Login may be required to access all resource tools.] Presents igneous rocks, which form from magma, and the two types: dense, dark mafic and less dense, light felsic. Also covers Bowen's Reaction Series.

Review your understanding of the big ideas under the topic of igneous rocks.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how intrusive and extrusive igneous rocks form. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how the three types of rocks form and convert from one to another. Includes a few questions to check for understanding.

Did you know the rock cycle is a continuous cycle that takes hundreds of millions of years? This webpage explains how sedimentary, metamorphic, and igneous rocks are formed. It also gives examples of each type of rock. Also includes a...

Students act out a type of rock, igneous, sedimentary, or metamorphic, for others to guess.