Lesson Plan
Curated OER

How Can You Detect the Invisible?

For Teachers K - 5th
Students 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 plan.
Lesson Plan
Curated OER

Pythagorean Theorem: Triangles and Their Sides

For Teachers 8th - 10th
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...