Curated OER
Gravity and Layers of Air
Students actively look and listen as their teacher provides transparencies to show how the atmosphere is made up of layers. In this atmosphere lesson plan, students discuss the atmosphere in terms of layers and how gravity pulls...
Curated OER
Global Change — Change and Cycles Where Land, Air and Water Meet
Young scholars participate in an experiment to define a parts-per-billion solution. In this ecology lesson, students select a second substance to create a parts-per-billion solution and observe and record their results. Young scholars...
Curated OER
Sun too close? We'll just change Earth's orbit
Students study an article and discuss what would happen if the Earth's orbit changed. In this Earth's orbit lesson students answer a list of questions and complete an activity.