Students explore physics by conducting a class experiment. In this density instructional activity, students examine a list of items and discuss whether they will sink or float and then determine their density. Students examine the...

In this power of black holes activity, students solve 6 problems including finding the surface area of a black hole, determining the amount of matter in the black hole shell, finding the rest mass energy and determining the time it takes...

Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...