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World 3 · Symmetry of Solids · 12 min · PRO

Symmetry in molecules and chirality

Point groups, and why a molecule can have a left and a right hand

PRO · Symmetry & Fractals

World 3: Symmetry of Solids is part of PRO

The first world of Symmetry & Fractals is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.

  • The five Platonic solids
  • All the rotations of a cube
  • Tetrahedron, octahedron, dodecahedron, icosahedron
  • Why six arms?
  • Temperature, humidity and shape
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  • All 60 labs — every world, every lesson
  • Practice exams and certificates

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← Tetrahedron, octahedron, dodecahedron, icosahedronWhy six arms? →

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