SME
Grade 12 Science
Volcanoes, crustal deformation and mountain building
The main lesson, then each kind of problem it solves.
Volcanoes, crustal deformation and mountain building
Main lesson
Folds and faults
Use this for “The hanging wall dropped down along the fault. Which kind of fault is it, and what stress made it?”
Low-silica or high-silica magma?
Use this for “Why do volcanoes above subduction zones erupt explosively?”
How plates build mountains
Use this for “Why are there volcanic mountains along a coast where an ocean plate sinks?” and “What happens as a rift valley widens?”