Annenberg Foundation
Geometry 3D Shapes: 3D Shapes
Explore vocabulary related to three-dimensional shapes. An instructional website describes the characteristics of different geometric solids. Learners can use an interactive component to view nets, faces, vertices, and edges of common...
American Museum of Natural History
Space and Time
Carve out some time to learn about space-time. Young scientists use a remote learning resource to read up on the relationship between space and time. They consider the idea of relativity, see how objects with a large mass can bend space...
Primary Resources
Primary Resources: 2 D and 3 D Shapes
Here is a huge collection of teacher resources for teaching 2-D and 3-D shapes. Includes smartboard and PowerPoint presentations, as well as worksheets and helpful hints.
Brown University
Brown University Library: Lincolniana at Brown
Digital archive of newspapers, objects, graphics, letters, and similar resources that document Lincoln's life and legacy. Browse the collection to find newspaper reports of Lincoln's assassination, badges of mourning worn at his funeral,...
US Geological Survey
Geographic Information Systems
This is an extensive resource explaining what Geographic Information Systems (GIS) are, how they work, applications of GIS, and GIS through history.