An interactive tool where students can explore how a spring behaves, and how changing the elasticity, mass, push/pull force, and friction affect its motion or period. As the spring moves, its motion is shown on a distance-time graph.

Why in the world do we turn our clocks forward in the Spring and back again in the Fall? Share with your students the rationale and history of the Daylight Saving Time concept from Benjamin Franklin through World War I and World War II...

Daylight Saving Time is a way of making better use of the daylight in the evenings by setting the clocks forward one hour during the longer days of summer, and back again in the fall. To remember which way the clock goes, keep in mind...

Many of the interesting landmarks around the world are formed over time by natural processes familiar to us in our everyday lives. This still collage produced for Teachers' Domain features images of a variety of beautiful natural wonders.

This 2003 story from NPR discusses the return of the Martha Graham Dance Company to the stage. It includes images of her modern dance choreography, a selection of New York Times reviews of her work, and several links at the bottom of the...

Every spring in the Antarctica, a new group of workers arrives and stays for a few months. To enliven everyone's stay, some traditions have been put in place. These include a race around the South Pole through all the world's time zones,...