This comprehensive study guide covers the main terms and concepts needed for an earth science unit on divergent plate boundaries. Review questions are included at the bottom of the study guide.

A detailed discussion of plate tectonics. Looks at continental drift, types of tectonic plates and plate boundaries, and primary and secondary tectonic plates.

An easy-to-understand explanation of what plate tectonics is. Contains information about the inner parts of the Earth, the difference between the three types of plates, and numerous maps and illustrations.

Looking for more information about plate tectonics and what happens at plate boundaries? This site gives definitions of all plate boundaries as well as animations to help visualize what is happening.

This interactive activity produced for Teachers' Domain shows the relationship between tectonic boundaries and the locations of earthquake events and volcanoes around the world.

This resource gives an introduction to the theory of plate tectonics. It also has animations of four types of plate boundary interactions (convergent, divergent, transforming, collisional).