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A LITTLE SOMETHING WORTH KNOWING

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ScienceOne small ahaEarth science

This long underwater mountain chain forms where tectonic plates spread apart.

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ScienceOne small aha
Your new ahaMid-ocean ridge

New oceanic crust forms as rising magma cools. Source: Mid-ocean ridge ↗

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More from Earth Science

A few more worth knowing.

  1. 14Rock formed from cooled magma or lavaRECALL
    Igneous rock

    Granite and basalt are examples

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  2. 15Rock changed by heat and pressureRECALL
    Metamorphic rock

    Marble forms from limestone

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  3. 16Rock formed from compacted sedimentsRECALL
    Sedimentary rock

    Sandstone is an example

    Open this card ↗