Curated OER
How Can You Detect the Invisible?
Learners participate in a lab activity in which they examine the characteristics of radon. They identify radon's link to cases of lung cancer. They complete a radon fact sheet and answer questions to end the lesson.
Curated OER
Pythagorean Theorem: Triangles and Their Sides
Students investigate triangles and their relationship to each other. In this geometry lesson, students solve right triangles using the properties of the Pythagorean Theorem. They differentiate between right, acute, straight and oblique...