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Life Cycle of Volcanoes

Earth Science - Middle School

 
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Stages of Activity Volcanoes have different stages of activity. An active volcano is one that is erupting or showing signs of erupting soon. A dormant volcano has not erupted for a while, but is expected to erupt in the future. An extinct volcano will probably never erupt again. Monitoring Volcanoes Geologists use a variety of technical instruments to study volcanoes and predict eruptions. Earthquakes, increases in ground temperature and escaped gases provide warning signals of potential eruption. clouds of ash & gases lava flows fires Destruction Caused by Volcanoes Volcanoes can cause widespread damage. Huge clouds of ash may bury towns, and volcanic gases can be deadly. A lava flow covers everything in its path and can start fires and landslides. Active Mount St. Helens, Washington Dormant Mauna Kea, Hawaii Extinct Mount Killimanjaro, Tanzania Warning Signs surfacemovement earthquakes increased temperatures escapedgases Life Cycle of a Volcano © Copyright NewPath Learning. All Rights Reserved. 94-4539 Visit www.newpathlearning.com for Online Learning Resources. Photos courtesy of USGS & NOAA.
Mount St. Helens, Washington Mauna Kea, Hawaii Mount Killimanjaro, Tanzania Pause and Review Name and define each volcano stage of activity. Stage: ___________________ ________________________ ________________________ ________________________ ________________________ ________________________ Stage: ___________________ ________________________ ________________________ ________________________ ________________________ ________________________ Stage: ___________________ ________________________ ________________________ ________________________ ________________________ ________________________ Life Cycle of a Volcano © Copyright NewPath Learning. All Rights Reserved. 94-4539 Visit www.newpathlearning.com for Online Learning Resources. What warning signs do geologist look for to predict if a volcano will erupt? _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________
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