Clues beneath our feet

Reconstruct a changing Earth using rocks, seismic evidence and its interior.

Choose any question to begin.

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1. 1

   How can evidence help rebuild Pangaea?

   Bring schematic continental evidence strips together and compare fossil and rock matches.

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2. 2

   How do wave arrival times locate an earthquake?

   Compare P- and S-wave delays at up to three virtual stations.

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3. 3

   How can tests distinguish minerals?

   Compare virtual hardness, streak and lustre evidence for a small candidate set.

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4. 4

   What happened first in these rock layers?

   Build an upright sequence and compare later faults and intrusions.

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5. 5

   What is inside Earth?

   Move a depth marker through a scaled mantle-and-core cutaway.

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Each discovery includes all five reading levels. Journey progress reflects the checkpoints answered on this browser.

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