Curated OER
Layers of Rock
Juvenile geologists drill clear plastic straws down into a playdough sedimentary rock model, pulling out sample rock cores. As they analyze their cores, they apply the law of superposition and discover that originally horizontal layers...
Curated OER
Building for the Big One
Learners build and test structures that can best withstand earthquakes. They create their structures from playdough, cornstarch, grape-nuts and popsicle sticks and place their structures on a "shake table."