Since the PhET sims have so many options for exploration, you can’t just tell a student, “Here’s a sim. Learn everything you can about this topic.” Very few students would be able to construct good ...

Multiple-choice exams measuring the breadth of students’ content knowledge have hardly disappeared. But the creators of a leading international exam, the U.S. government agency behind “the nation’s ...

Strong Points: Simulations run well; all simulations are free to use and cover a wide variety of topics. One of the easiest ways to demonstrate novel concepts to students is through hands-on ...

Geometric optics is a confusing subject for many physics students, who often first encounter the subject in introductory college physics classes. Traditional instruction in geometric optics is not as ...