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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaEarth science

This envelope of gases surrounds Earth.

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Your new ahaAtmosphere

Atmospheric pressure generally decreases with altitude. Source: Atmosphere ↗

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More from Earth Science

A few more worth knowing.

  1. 01Earth's outermost solid layerRECALL
    Crust

    Continental and oceanic crust differ

    Open this card ↗
  2. 02Layer beneath Earth's crustRECALL
    Mantle

    Makes up most of Earth's volume

    Open this card ↗
  3. 03Earth's liquid metal layerRECALL
    Outer core

    Helps generate the magnetic field

    Open this card ↗