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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...
Physics Classroom
The Physics Classroom: Acceleration
Topics covered include what acceleration is, the difference between constant and non-constant acceleration, acceleration in a free-falling object, the equation used to compute acceleration, and the difference between positive and...