In our science for non-science majors course "21st Century Physics," we investigate modern "Hubble plots" (plots of velocity versus distance for deep space objects) in order to discuss the Big Bang, dark matter, and dark energy. There are two potential challenges that our students face when encountering these topics for the…

When students design and build their own versions of instruments, they appreciate them more--and are more likely to appreciate how experimentation plays a critical role in explaining the world around them (NRC 1999). In this activity, students learn how science is done by becoming active participants. They use free lenses to build simple…

A single-semester elective combines Mendelian and molecular genetics in a problem-solving format. Students encounter a genetic disease scenario, construct a family pedigree, and try to confirm their medical diagnoses through laboratory experiences. Encouraged to generate ideas as they test their hypotheses, students realize the importance of data…