Activity 01
Model Building: Liquefaction Shake
Provide trays with dry sand, wet sand, and saturated sand layers. Students shake trays at set frequencies using a simple shaker device, observe settling and flow, then measure surface displacement. Groups record variables like water content and shaking intensity, drawing links to real soil conditions.
Differentiate between primary and secondary earthquake hazards.
Facilitation TipDuring Model Building: Liquefaction Shake, ask groups to predict which soil samples will liquefy before the shake, then compare predictions to observations to surface misconceptions immediately.
What to look forProvide students with a brief description of an earthquake scenario. Ask them to identify at least two primary and two secondary hazards that could result, and briefly explain why each is classified as primary or secondary.