Famous Volcanoes
The 1985 eruption of what volcano in Columbia was mostly steam, but melted its heavy snow cover?
What is Nevado Del Ruiz?
Depositional mountain landform built from solidified magma from deep in the earth
What is a volcano?
What rock is a volcano made of?
Most volcanoes have at least one _________?
What is crater?
DAILY DOUBLE: (double the points)
There are two types of volcanoes?
A) Extrusive and Retrusive
B) Extrusive and Intrusive
C) Inside and Outside
What is B) Extrusive and Intrusive volcanoes?
This volcano destroyed the Roman cities of Pompeii and Herculaneum
What is Mount Vesuvius?
Once the magma forces its way to the surface, it quickly widens the hole and form a what?
What is a vent?
Vents in the ground where steam and other gases from volcanic activity escape
What is fumaroles?
Magma erupting from the vent to become _____.
What is lava?
Magma is classified by how much what is has?
A) Oxygen
B) Dioxide
C) Silicon Dioxide
What is C) silicon dioxide/silica?
This volcano has air 1.5 times denser and collects depressions in the ground and displaces oxygen. (HINT: It's in Yellowstone)
What is Death Gulch?
Lava with a smoothly wrinkled, ropey surface.
What is pahoehoe? (pah HOY hoy)
When gas-laden lava explodes in the volcano's vent, the fine mist of solid falls as what?
What is ash?
Volcanic ___ is made of tiny angular glassy fragments and resembles the dusty ash that comes from burning wood.
What is ash?
Name one of the types of volcanic belts.
A) Circum-Pacific
B) Atlantic-Pacific
C) Himalayan
What is A) Circum-Pacific?
DAILY DOUBLE- (double the points)
Our English word for "volcano" comes from this now dormant volcano in the Mediterranean...
What is Volcano Island?
What is volcanic cone?
This hot mixture is so dense that it flows down the slope of the volcano instead of rising into the air...
What is a glowing avalanche?
A glowing avalanche ___________(s) and burns everything in its path.
(HINT: You feel like you ___________(ing) when you hyperventilate.)
What is suffocates?
If lava erupts underwater is hardens to form a what?
A) shell
B) vent
C) ash in the water
What is A) shell?
The melted snow from what volcano cause a mudslide that buried 23,000 people?
What is Nevado del Ruiz?
A mudflow of volcanic ash mixed with water...
What is a lahar?
Thick layers of igneous rock covering many places, including the ocean floor are called what?
What is flood basalts or basalt traps?
The Circum-Pacific Belt is sometimes referred to as the, "_____ __ _____"
What is "Ring of Fire"?
This zone extends from Northern Canada southward to Lake Superior and includes portions of what?
A) Pacific Coast
B) Canadian Coastline
C) Canadian Shield
What is C) Canadian Shield?