LibraryEarth ScienceOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaEarth science

This instrument records ground motion from earthquake waves.

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Your new ahaSeismograph

A seismograph records ground motion produced by seismic waves. Source: Seismograph

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More from Earth Science

A few more worth knowing.

  1. 34This imaginary line circles Earth halfway between the poles.RECALL
    Equator

    It is at 0° latitude

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  2. 35This reference meridian is defined as 0° longitude.RECALL
    Prime meridian

    It passes through Greenwich

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  3. 36This coordinate measures angular distance north or south of the equator.RECALL
    Latitude

    It is measured in degrees

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