Heat Transfer: Conduction, Convection, Radiation
By Laurie Jarvis, Deb Simonson
In this animated activity, learners explore three major methods of heat transfer and practice identifying each.
Heat Transfer: Flash Version
By Deb Simonson
In this animated activity, learners explore three major methods of heat transfer and practice identifying each. This is the animated version with no audio.
International Time Zones (Screencast)
By Virginia Kirsch
In this screencast, you will learn about the 24 time zones.
Changes in Our World: Chemical and Physical
In this animated object, learners examine the kinds of physical and chemical changes that occur in substances. They practice identifying examples of each.