Polyhedra: Platonic Solids

Polyhedra: Platonic Solids

Assessment

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Science, Physics

6th - 12th Grade

Hard

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Platonic solids are symmetrical shapes once thought to be the universe's building blocks. Named after Plato, these polyhedra are made of polygons with interior angles totaling less than 360° at vertices. Only five shapes meet the criteria of having identical angles, edges, and vertices, making them symmetrical. Plato associated these solids with elements: tetrahedron with fire, cube with Earth, octahedron with air, icosahedron with water, and dodecahedron with the cosmos. Despite modern knowledge, Platonic solids remain mathematically intriguing.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

List the five Platonic solids and the elements Plato associated with each.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why did Plato believe that Platonic solids were the building blocks of the universe?

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