Students use the Internet to discover the wonderful world of comets and meteor showers. They discover how to spot one and predict them using a calendar. They also examine the makeup of meteoroids and meteorites.

Students fill in a diagram of a comet. They listen to a short lecture, view flash animation descriptions of comets and meteors and then use the presented information to complete a worksheet.

Learners construct a model of a comet nucleus using dry ice. They add other materials and describe the features. They complete related exercises on an Internet Web site.