This Volcano erupted in 1883 in Indonesia, and threw ash 18 cubic meters into the sky. It was also heard 5,000 kilometers away.
What is Krakatau
100
This is magma which reaches the earth surface, and then cools and hardens.
What is lava?
100
A pocket of hot molten rock located beneath a volcano.
What is the Magma Chamber
100
The Hawaiian Islands were formed during what type of volcanic eruptions?
What are quiet eruptions
100
A major volcanic belt that extends around the rim of the Pacific Ocean.
What is the Ring of Fire.
200
This volcano is the highest volcano on planet Earth.
What is Mauna Loa
200
This liquid substance lies beneath the Earth's surface and can range in temperature from 750 degrees Celsius and 1,175 degrees Celsius.
What is Magma?
200
This is where magma moves upward through a volcano.
What is the pipe
200
Mount St. Helens eruption in 1980 is an example of what type of eruption?
What is an explosive eruption
200
Ridges form along these boundaries, usually along the ocean floor, where two plates are pulling apart and lava oozes out.
What are divergent boundaries
300
This volcanic eruption occurred in 1980 in the state of Washington, and blew out the entire side of the volcano.
What is Mount St. Helens
300
This is the resistance of liquids to flow.
What is viscosity?
300
Molten rock and gas leave a volcano through this opening, which can be located at the top or along the sides of a volcano.
What are vents
300
This occurs when an explosive eruption hurls out a mixture of hot gases, ash, cinders and bombs.
What are pyroclastic flows
300
These types of plate boundaries occur when oceanic plates collide.
What are converging boundaries
400
In 2002, this Sicilian volcano spewed rivers of lava.
What is Mount Etna
400
Lava that is slower-moving and forms a rough surface consisting of jagged lava chunks.
What is aa
400
The bowl-shaped area that may form at the top of a volcano.
What is a crater
400
This product released by explosive eruptions can cause jet engines to stall, and bury entire towns.
What is ash
400
This type of boundary occurs when two plates move horizontally in opposite directions.
What are transform boundaries
500
On what Island did Eyjafjallajokull erupt in 2010, disrupting air travel across western and northern Europe for 6 days.
What is Iceland
500
This is fast-moving, hot lava that has low viscosity and looks like a solid mass of wrinkles, billows and rope like coils.
What is Pahoehoe
500
This type of volcano has quiet eruptions which gradually build up to form a gently sloping mountain, for example, the island of Hawaii.
What is shield volcano
500
This is a term given to fragmental material produced by volcanic eruptions regardless of composition, in other words, the term given to the bombs of explosive volcanoes.
What is Tephra
500
Many volcanoes occur near boundaries where the older denser oceanic plates sink beneath the lighter continental plates, and some of the plate melts forming magma, what is this zone known as?