Volcano
What are the different stages of a volcano?
Active, dormant, and extinct
Volcanoes are formed by the moment of ....
tectonic plates
What is the liquid rock that leaves the volcano called?
Lava
What does 'Vulcan' mean in English?
Volcano
How many major tectonic plates are there?
Volcanoes are...
...openings of the earth's surface
Do tectonic plates move very slowly or very fast?
Very slowly
What is the magma chamber?
The place where magma is stored before an explosion
What are some things an erupting volcano can trigger?
Tsunamis, flash floods, earthquakes, mud flows, and rockfalls
How many active volcanoes are there in the world?
Around 1,500
What is the liquid inside the volcano called?
Magma
What usually happens when plates move suddenly?
An earthquake
Name 3 types of volcanic material
Gas, Tephra, Lava
How old is the oldest volcano?
85 million years old
What is the Pacific Ring of Fire?
An area of many volcanic eruptions and frequent earthquakes
Name a volcano (active or dormant)
Mount Fuji, Mount Vesuvius, Mount Baker, etc.
What are the two types of plate boundaries?
Convergent and divergent
The circular hole that surrounds the vent of a volcano is called...
The crater
When did Mount St. Helens erupt?
May 18, 1980
Which continent has no active volcanoes?
Australia
What is the largest volcano on earth called?
Mauna Loa
African, Antarctic, Eurasian, Indo-Australian, North American, Pacific, and South American
What is the secondary vent in a volcano?
A place where magma can escape without going through the main exit
Which volcano erupted on August 24th, 79 A.D?
Mount Vesuvius
Where is the largest volcano in our solar system located?
On Mars!