Show:
Volcanoes
Plate Tectonics
Volcanic Eruptions
Volcanic Landforms
Mixed trivia
100
A weak spot in the crust where magma comes to the surface.
What is a volcano?
100
plate boundaries
What do volcanic belts form along?
100
The pocket beneath a volcano where magma collects.
What is a magma chamber?
100
A wide, gently sloping mountain made of layers of lava; formed by quiet eruptions.
What is a shield volcano?
100
A volcano that is a mixture of a shield and composite volcano.
What is a composite volcano?
200
The molten material that comes out of a volcano.
What is magma?
200
spreading boundaries are marked by this.
What are mid-ocean ridges?
200
crater
What is a bowl-shaped area that may form at the top of a volcano around the central vent.
200
Cinder cone
What is a highly explosive volcano?
200
A lot of silica.
What is highly explosive eruption need?
300
The Ring of Fire
What is one major volcanic belt?
300
Where twi oceanic plates collide or where an oceanic plate collides with a continental plate.
Where do volcanoes often form?
300
A dormant volcano may erupt in the future but is not currently alive while an extinct volcano will probably never erupt again.
What is the difference between an extinct and a dormant volcano?
300
A caldera.
What is a huge hole left by the collapse of a volcanic mountain?
300
a type of explosive eruption that hurls out a mixture of hot gases,ash, cinders, and bombs.
What is pyroclastic flow?
400
an area where material from deep within the mantle rises then melts, forming magma.
What is a hot spot?
400
Earthquakes concentrated in zones
What are on plate boundaries that are concentrated in zones?
400
There will be an explosive eruption
What happens if a volcano is high in silica?
400
Dike and Sill.
What are two types of intrusions?
400
island arc
When a group of volcanoes create a string of islands.
500
Rock-forming substances, gases, and water from the mantle.
What is magma made of?
500
subduction zones
What mark colliding boundaries?
500
A pipe is a long tube in the ground while a vent is an opening where molten rock and gas leave the volcano.
What is the difference between a vent and a pipe?
500
A piece of ash.
What is the smallest particle that can come from an eruption?
500
The measure of a substance's ability to resist flow.
What is viscosity?