Second graders explore botany by viewing video clips in class. In this seed growth instructional activity, 2nd graders identify the types of seeds that grow specific plants and what the optimal conditions are for growing seeds. Students...

Student create a numerical model which integrates Schrodinger's equation in 1 dimension. They discuss the properties of the solutions which match the boundary conditions. Student discusss any limitations if there are any in there model.

Sixth graders explain what a negative feedback system is and they distinguish it from a positive feedback system. They describe examples of how negative feedback is used in both nature and technology. , Students define homeostasis, and...