Describes a method that students can use to build portable planetariums. After building the models, students are familiar with the names of constellations and major stars and are able to share their projects with other students. (DDR)

Presents an inquiry-based research model for high school students to engage in inquiry learning. Provides students and teachers with a better understanding of inquiry and greater confidence in their critical thinking skills. (Author/SOE)

Describes an activity that helps students see how a paper map can represent a three dimensional object by having students build a realistic model that clearly shows what a contour line is and why it behaves the way it does. (DDR)

Presents the topic of linking the presence of life on Earth with the chemical evolution of the universe as a whole. The approach involves examining issues related to the biochemical unity of living matter and the chemical evolution of the galaxy. (DDR)