Embedded Files
EarthquakesTypes of Faults
Recent Earthquakes - Last 7 days
Set off an Earthquake (Virtual)
Earthquake Game triangulate
Triangulate Earthquake Location
Ideers - Resistant Buildings-Strengthening-Bracing
Earthquake Resistant Buildings
Engineering for Earthquakes - build and test a simulated bridge
Building Safer Structures - USGS
Volcanoes
Build a Volcano - Make our own
Mt. St. Helen's Before and after eruption
Minerals and Rocks The three kinds of rock: classic, punk, and hard
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