US Geological Survey
Usgs: Unanswered Questions
Discover how convection currents in the mantle are the driving force of continental drift. The reading also briefly addresses the scientists who laid the groundwork for this idea.
Oregon State University
Osu: Volcano World: Layers of the Earth
This is a website not only on the mantle but also about all the layers of the earth.
Other
University of Texas Arlington: Isostasy, Gravity, Magnetism, and Internal Heat
An in-depth look at how isostasy works and the processes taking place during glaciation and the melting of glaciers. Looks at gravity and the effects of density differences within the crust and mantle, and at Earth's magnetic field and...
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Theory of Plate Tectonics
[Free Registration/Login may be required to access all resource tools.] Discusses what a tectonic plate is and how scientists can recognize its edges, how the plates move by convection in the mantle, the three types of plate boundaries...
National Earth Science Teachers Association
Windows to the Universe: Volcano Formation
Explanation of the factors that result in the formation of volcanoes, some basic but helpful animations and photographs.
CPALMS
Florida State University Cpalms: Florida Students: Journey to the Center of the Earth
Learn about the layers of the Earth.
Other
University of Delaware: Plate Tectonics
This site is a very simple overview of plate tectonics. It includes a map of all the major plates and a diagram of the layers of the earth.
Vision Learning
Visionlearning: Earth Science: Plate Tectonics Ii: Plate Boundaries and Forces
Instructional module focusing on plate tectonics. Discussion includes plates, plate boundaries, and driving forces. Site also includes an interactive practice quiz and links relating to the topic.
American Geosciences Institute
American Geosciences Institute: Dynamic Planet
Seven hands-on lessons module where students learn about our dynamic planet. These inquiry-based explorations investigate scientific models, earthquakes and seismic waves, Earth's interior, Earth movements, the lithosphere, plate...
CK-12 Foundation
Ck 12: Earth Science: Wegener and the Continental Drift Hypothesis
[Free Registration/Login may be required to access all resource tools.] How Wegener's hypothesis of continental drift was refined.
Georgia Department of Education
Ga Virtual Learning: Plate Tectonics
In this interactive tutorial you will learn about the theory of continental drift and why it was ultimately rejected. Then learn about the theory of plate tectonics and the evidence to support it. Lastly discover the types of boundaries...
CK-12 Foundation
Ck 12: Earth Science: Earth's Tectonic Plates Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the earth's tectonic plates. Review questions are included at the bottom of the study guide.