Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...

Scientists have a fairly good understanding of how the plates of the Earth move and how such movements relate to earthquake activity. Most movement occurs along narrow zones between plates where the results of plate-tectonic forces are...

The vast majority of earthquakes and volcanic eruptions occur near plate boundaries, but there are some exceptions. Learn here all about mantle thermal plumes.