Curated OER
Learning Lesson: The Shadow Knows II
Students discover and practice how to calculate the circumference of the Earth. They measure the length of their shadows and use the distance they are away from the equator to complete the calculations. They discuss winter or summer...
Curated OER
Learning Lesson: That Sinking Feeling
Students discover the origin of the Great Ocean Conveyor. They participate in a demonstration showing how salinity and temperature affect water density. They also examine the new sea ice that forms every winter.
Curated OER
Outdoor Survival
Students are introduced to basic outdoor survival concepts. They identify the seven basic needs for survival. Students describe the symptoms and treatment for frostbite and hypothermia. They compare and contrast the value of different...