Curated OER
Let's Make a Compost Cake
Students create a compost cake. In this gardening and decomposition science instructional activity, students review and describe the "nutrient cycle." Students create a compost pile, measure and record the dimensions and temperature of...
Annenberg Foundation
Geometry 3D Shapes: Euler's Theorem
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...