Curated OER
Planet Earth in Cross Section
Students will examine the layers of the Earth. In this geology lesson, students create a scale model of the Earth's interior using cash register tape. They will determine the percentage of error in the scale compared to the actual size...
Ocean Explorer
Living with the Heat
Young oceanographers study the Submarine Ring of Fire, which is a series of deep-water volcanic vents that come up from the ocean floor. Learners take a close look at the unique ecosystems that are associated with these areas, how these...