Visual Learning Systems
Rocks and the Rock Cycle: the Rock Cycle
The rock cycle is illustrated in detail using easy-to-understand animations. Examples of the various types of rocks are introduced and the characteristics of different rocks are compared. Other terminology includes: rock cycle, igneous,...
Howard Hughes Medical Institute
The Geologic Carbon Cycle
What happens to the CO2 emitted into the air by volcanoes? Scientists discovered it is removed through a series of chemical reactions, as discussed here. Through an animated diagram and chemical reaction equations, viewers learn about...