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World 7 · Rock cycle · 9 min · PRO

From sandstone to gneiss

Burial, pressure and metamorphic grade

PRO · Plate Tectonics

World 7: Rock cycle is part of PRO

The first world of Plate Tectonics is free. PRO opens the other 46 lessons in 7 worlds — simulations, quizzes and all.

  • One magma, two textures
  • Blueschist: deep but cold
  • All the way round
  • Identify a mineral
  • Which came first?
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock Plate TectonicsTry the free world
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