Download Impact of Volcanoes

Impact of Volcanoes
Odysseyware Guided Notes
Vocabulary
_________________ _______ energy produced from the heat of magma and other volcanic materials
________________________ an avalanche of water, mud, and other materials that a volcanic eruption can produce
________________________ volcanic rock and debris that is blasted from a volcano during an eruption
Volcanic Hazards
The amount of dust and ________________ blasted into the sky was enough to change the atmosphere, causing what
people call "The Year without a Summer." Temperatures fell, crops died, and 117,000 people eventually __________ of
starvation.
Other Natural Disasters from Volcanoes
If a volcano erupts under the ocean, it can cause a tsunami—not only from its blast, but from the earthquake it creates.
Lava and ____________________ flows can set fire to homes, cars, or anything else that is combustible. A ___________
can spit out debris that blocks a river channel or causes a crater lake to burst, ____________________ surrounding
areas. The most deadly disasters that volcanic activity can produce are ___________________ and
_____________________.
Benefits (video)
All of the islands of ________________ were created by volcanic eruption. ___________ flow from the eruption
produced mountains and new land.
Review
The hazards of volcanic eruptions include:
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pyroclastic flows of ___________, ___________, and __________ _______________
______________ flows
________________ (mud flows)
______________ (all solid material blasted into the air)
______________ changes (usually cooling)
other natural disasters, such as ______________, ______________, _____________, and
________________
There are many benefits of volcanic activity, including:
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helped create our _____________________
forms ___________, like the Hawaiian islands
______________________ energy
fertile _______________
useful products, like ______________, _______________, and _______________ _______________