Overall rating 4 out of 54.3 (3 ratings)
Last updated 03 February 2013, created 16 December 2011, viewed 2,059
students look and recap the structure of the earth and then explain why it is difficult for scientist to predict earthquakes..
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Excellent, thanks for sharing.
great resource, really nicely presented. Thank you. I couldn't find the Youtube video.
Great, loved it. Loved the links to You Tube videos (I could find these easily, or equivalents there...)