The volcano, Kilauea, on the Big Island of Hawaii, has been active and erupting since 2008. There are two lava flows at present and one is now approaching homes on the Big Island. This is another example of natural events that humans have no control over. We can just watch the flow's rate and try to stay safely distant from the danger and destruction.
In this activity students get a sense of the actual rate of lava flow and notice how greater slope encourages faster rate.
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