What are the main gases in magma?
Water vapor and carbon dioxide.
What are bombs?
Molten that have streamlined shapes.
Witch Volcano has a steep cone shaped hill?
Cinder Cone Volcano?
Which Volcano is made up of eruptions of Lava
Shield Volcano
What are Cinders?
lager blocks can get up to the size of house and erupts in solid pisces
What is Volcanic Ash?
Particles that range from the size of dust to a grain of rice.
What is a Composite Volcano?
A composite volcano is a cone-shaped volcano and it is steep near the top and flattens out towards the bottom
What Volcano is steep but flattens out at the top?
Composite Volcano.
What percent of volcanoes above sea level are along subduction or zones in the Pacific Ocean?
80%
What does Lava mean?
Lava is magma that has reached Earth’s surface.
What is a Cinder Cone Volcano?
A steep,cone shaped hill formed by the eruption of cinders and other rock fragments that pile up around a single crater.
What is a Composite Volcano made of?
It is built up of layers of lava and layers of rock.
How hot can Pyroclastic flow be?
800c
What does Volcano mean?
A volcano is an opening in Earth’s crust through which molten rock,rock fragments , and hot gases erupt.
What is a Shield Volcano?
Is shaped like a broad flat dome.
What is a Cone Cinder Volcano?
Formed by the eruption of cinders and other rock fragments that pile up around a single crater.
Why is Pyroclastic flow dangerous?
It can travel faster than 160 kilometers per hour.
What does Pyroclastic Flow mean?
Pyroclastic flow is a dense cloud of super hot gases and rock fragments that race downhill.
What are the 3 different shapes of Volcanoes?
Shield Volcano, Cinder Cone Volcano, Composite Volcano
What is a Shield Volcano made of?
Its built up by many eruptions of lava.