Large pieces of the Earth's crust that float on top of the mantle
What are tectonic plates?
Hot melted rock that comes from volcanoes
What is lava or magma?
When did Mt. St. Helens last erupt?
What is May 18, 1980
This is the largest volcano on Earth.
What is Mauna Loa?
This is a fast moving current of hot gas and volcanic matter that moves away form a volcano reaching speeds of 400 mph.
What is a pyroclastic flow?
This is what we call an unusually large volcano having the potential to produce an eruption with major effects on the global climate and ecosystem...
What is a supervolcano?
The layer of the earth that magma comes from
What is the mantle?
Name a state that has active volcanoes.
What is Hawai'i?
A long tube in the volcano - lava, ash, dust, and rocks come out of it
What is a vent?
This is how the Hawaiian Islands were formed...
What is a hot spot?