Science Education Resource Center at Carleton College
Serc: Igneous Rocks Model
Students use samples of four different types of igneous rocks to observe differences in texture, color, and grain size, and then make inferences about the relative cooling histories and silica content associated with each magma type.
Science Education Resource Center at Carleton College
Serc: Magma Viscosity Demos
Interactive lecture provides questions and promotes group discussions about two videos that demonstrate the links between magma composition, temperature, and viscosity.