This is the "Earthquakes" page of the "LS Grade 4 Earthquakes, Volcanoes, Rocks & Minerals" guide.
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LS Grade 4 Earthquakes, Volcanoes, Rocks & Minerals   Tags: volcanoes earthquakes tsunamis science rocks minerals  

Earthquakes, volcanoes, tsunamis, rocks, minerals, vocabulary and links for grade 4 science unit.
Last Updated: Dec 19, 2014 URL: Print Guide RSS Updates

Earthquakes Print Page



Tectonic Plates of the Earth


How Are Earthquakes Measured?

What is a seismograph?
A seismograph is an instrument used for recording the intensity and duration of an earthquake. 

    Have Some Fun!


    How are Tsunamis and Earthquakes Related?


      Ring of Fire

      What is the Ring of Fire?
      The 'Ring of Fire' is a volcanic chain surrounding the Pacific Ocean. The 'Ring of Fire' is famous for its regular earthquake and volcanic activity. More than half of the world's active volcanoes above sea level form part of the ring.

      Pacific Ring of Fire


      The Pacific Plate, an oceanic plate that forms the bed of the Pacific Ocean, is surrounded by a number of continental plates including the North American plate, South American plate, Philippine plate, the Australian-Indian plate and the Eurasian plate. The movement of these plates create zones of subduction (e.g. where the Pacific and Eurasian plates meet). This leads to the formation of volcanoes and the occurrence of earthquakes. 


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