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Curated OER
Crystals: Geometry and Groups
Young scholars discuss the importance of examining crystals and experiment growing them. In groups, they complete a project in which they use groups in geometry just like crystallographers. They practice solving the groups and proofs...
Curated OER
How Many Regular Polyhedrons Are There In This or Any Universe?
Young scholars examine the idea of "regularity" as it pertains to geometry. For this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
Curated OER
Why do Stars Rise in the East?
For this stars rise in the east worksheet, students use geometry to show how the Earth rotates from west to east and why celestial bodies appear to rise in the east and set in the west. Students draw a figure and label given points in...