Leo+DadMade for Leo
← Change (cont.)
Concept · 4 steps · NESA SC4-CHG-01

Geological Change

The slow, enormous change that remakes the ground under your feet — from why a mountain and a beach are the same story at different speeds, all the way to reading a stone's whole life out of its layers and crystals. Four short steps, each with its own toy to play with.

1 Where it comes fromThe ground isn't finished. Click a process and watch a rock travel the cycle between three families over deep time. 2 How to do itHow each family forms, and the five-step sequence — weathering, erosion, deposition, compaction, cementation — that builds a sedimentary rock. 3 Where it gets trickyWeathering isn't erosion, rocks aren't permanent, and deep time is almost unimaginable — yet some change is sudden. 4 Out in the wildFossils, Uluru, soil — and reasoning backwards from a rock's features to its history.
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