In the fall of 2008, Stacy McCormack's students were caught up in the presidential election, and she began to wonder how she might harness this passion for politics in her high school physics classroom. At about the same time, a friend recommended the book "Physics for Future Presidents" (Muller 2008), which led her to develop a year…

Through integration of geology, biology, chemistry, and the history of science, the historic Krakatoa eruption offers a unique portal for student inquiry in the classroom. Students are inherently fascinated by natural disasters, and modern comparisons to the Krakatoa cataclysm are as close as the day's news. This article uses the historic Krakatoa…

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)

Demonstrations to help students change their misconceptions about chemical bond breaking are presented. Students' misconceptions about chemical bonds in both biological and chemical systems are discussed. A calculation for the release of energy from respiration is presented. (KR)