In three semiguided inquiry lessons on population biology, students use models and simulations to examine population trends and make projections. They are guided to create and evaluate data and to use algebraic and geometric representations to examine biotic and logistic growth models as part of examining human population growth. As they recognize…

This effective technique has third- and fourth-grade students explore potential and kinetic energy and explain their discoveries. Students investigate what it takes to make a paint can roll forward and come right back, without seeing inside. Students experience science as an inquiry and develop their critical thinking skills. Students can also…