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Curated Video
3D Hexagonal Closed Packing Layered Perfection
Layered Perfection: 3D Closed Packing from Hexagonal Layers"
The process of obtaining three-dimensional (3D) close packing from hexagonal layers involves stacking two-dimensional hexagonal layers one above the other in a specific...
The process of obtaining three-dimensional (3D) close packing from hexagonal layers involves stacking two-dimensional hexagonal layers one above the other in a specific...
Curated Video
Shaping Molecules: Geometry of AB₄, AB₅, and AB₆ Explained
The geometry of molecules with the general formulas AB₄, AB₅, and AB₆ is determined by the Valence Shell Electron Pair Repulsion (VSEPR) theory, which helps predict molecular shapes based on the repulsion between electron pairs around...
Curated Video
Polyhedra: Platonic Solids
A special set of symmetrical solid shapes that were once thought to be the building blocks of the Universe – what are the characteristics of the Platonic Solids? Includes summing of interior angles. Maths - Shape A Twig Math Film....
NASA
NASA | The MMS Mission's Unique Orbit
Scientist John Dorelli explains the MMS mission's orbit and why the four spacecraft fly in a tetrahedron formation. This complex arrangement enables scientists to gather data about magnetic reconnection in 3D.
On its...
On its...
Curated Video
Allotrope
This live-action video program is about the word Allotrope. The program is designed to reinforce and support a student's comprehension and retention of the word Allotrope through use of video footage, photographs, diagrams and colorful,...
CK-12 Foundation
Polyhedrons: Lesson
Imagine a poly-what? With the aid of pictures, the segment of an extensive geometry playlist introduces specific polyhedrons and their parts. The presentation uses Euler's Theorem to explain the relationship between the number of faces,...
Berkeley University of California
VSEPR Examples
Ah is the element of surprise. It is also one of the few elements you won't encounter when doing VSEPR problems. The videos work many examples of VSEPR in various configurations and detail the angle degrees based on the number of atomic...
Sophia Learning
Sophia: Volume of a Tetrahedron: Lesson 1
Given this lesson and the formula, you'll be able to calculate the volume of a tetrahedron. It is 1 of 5 in the series titled "Volume of a Tetrahedron."
Loyola University Chicago
Math Flix: Polyhedra Formula for Vertices
This QuickTime movie provides an opportunity to discover the formula for finding the number of vertices on a polyhedron. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.