Curated OER
Water Density Boundaries
Students create observable layers in water that represent a separation based upon density differences. They model density boundaries using differences in temperature and salinity. They, in groups, perform a meaningful experiment...
Curated OER
Volcanoes and Urban Planning
Students analyze satellite image data of Volcan Villarica. In this earth science lesson, students identify dangerous areas surrounding the volcano. They propose a new safe location for the town.