Curated OER
Cookin' Up a Comet
Students view a teacher demonstration of comet composition. In this comet science lesson, students watch as the teacher combines sand, ammonia, cola, and dry ice to simulate the composition of a comet. They answer discussion questions...
University of California
Univ. Of Cal Berkeley: The Comet's Tale
Site provides extensive information in the study of comets. Includes excellent graphics that depict what comets look like as they travel through the solar system. Also includes information on how comets may have effected the Earth's...
NASA
Nasa: The Space Place: What's in the Heart of a Comet?
NASA site explores what a comet's nucleus is composed of. Animation and photographs are provided as well.