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Name that Volcano
True or False
Volcano Vocab!
Volcanic Eruptions
Volcano Formation
100
Name the three types of volcanoes
What is cinder-cone, composite, and shield
100
True or False - High silica levels equal quiet eruptions.
What is false.
100
An opening in Earth's surface that forms when magma reaches the crust.
What is a volcano.
100
Low silica content equals (quiet/explosive) eruptions.
What is quiet.
100
All volcanoes have a pocket of magma beneath the surface called a ___________ _____________.
What is magma chamber.
200
This volcano is known for its quiet eruptions
What is shield volcano.
200
True or False - Every single volcano ever created was do to the movement of tectonic plates.
What is false - hot spots
200
An area where material from deep within Earth's mantle rises to the crust and melts to form magma (hotter than most areas).
What is Hot Spot.
200
High/Low silica content tends to create magma that is runny and thin.
What is low.
200
The state of Hawaii was created not by tectonic plates but by this?
What is a hot spot.
300
This volcano is the only volcano that is created by something other than just lava
What is a cinder cone volcano.
300
True or False - Magma eventually turns into lava once it reaches outside of the Earth's surface.
What is true.
300
Molten rock and gas leave the volcano through an opening known as what?
What is the vent or pipe.
300
This volcano tends to have quiet eruptions that can still be hazardous to people.
What is shield volcano.
300
The nickname given to the Pacific plate boundary because it is full of volcanic activity.
What is the ring of fire.
400
Stratovolcano is another name given to this type of volcano
What is composite volcano.
400
True or False - Hawaii is found on the Pacific Plate boundary.
What is true.
400
The bowl-shaped area that may form at the top of a volcano around the central vent.
What is the crater.
400
What are the two types of volcanic eruptions?
What are quiet and explosive eruptions.
400
This term is given to the bits of rocks and solidified lava that is dropped from the air during an explosive eruption.
What is tephra.
500
Mount St. Helens in California is an example of what type of volcano?
What is a composite volcano.
500
True or False - The main island of Hawaii is known to have only 5 active eruptions.
What is true.
500
This is a mixture of hot gases, ash, cinders, and bombs that flow down the sides of a volcano.
What is pyroclastic flow or tephra.
500
Silica is a material found in magma that forms from which two elements?
What is oxygen and silicon.
500
When two tectonic plates in the ocean move apart from one another, it is known as what?
What is a rift or mid-oceanic ridge.