Annenberg Foundation
Geometry 3D Shapes: Surface Area and Volume
Whether you wrap it or fill it, you're using geometric concepts. Classmates use an interactive approach to learn how to find volume and surface area of cylinders and prisms in the second lesson in a five-part series. The online lesson...
University of California
The University of California: Chronological Methods 3 Superposition
One of the most fundamental principles of archaeology is the Law of Superposition. This website provides a diagram showing you the Law of Superposition.