Mountains
Dangers of Volcanoes
Types of Volcanoes
Rock Fragments
Ring of Fire
100
These form as a result of a continental plate colliding into another plate.
What is Folded Mountains?
100
A dense cloud of super hot gases and rock fragments that races downhill.
What is pyroclastic flow?
100
This volcano is low in silica and is built up by many thin layers of lava.
What is Shield Volcano?
100
These are the largest rock fragments that are mostly projected from a Composite Volcano.
What is volcanic blocks or bombs?
100
Most volcanoes occur at this boundary.
What is oceanic-continental subduction? The sinking plate heats, partially melts, and forms magma.
200
Rocks from the sea floor can be found on the top of a mountain on a continent because of this.
What is continental-oceanic subduction. As the continental mountains are formed, the bottom of the ocean is pushed to a higher elevation.
200
These don't happen often but can occur when magma/lava and water interact.
What is steam explosion?
200
This is the most explosive volcano that is rich in silica content.
What is Composite Volcano?
200
This can travel and cause dangers in areas very far away from the volcano.
What is volcanic ash?
200
The ring of fire is located in this region.
What is the Pacific Ocean rim? Volcanoes form a belt around the Pacific Ocean.
300
These form as the lithosphere is stretched and pulled apart.
What is Fault-block Mountain?
300
Signs that a volcano may erupt soon.
What is rising temperatures, tremors, types of gases given off, tilt of the ground, etc?
300
This type volcano does not have lava flows.
What is Cinder Cone? Cinder cone volcanoes build up from cinders and ash through high pressure eruptions.
300
Which is in the correct order from largest to smallest? a. bombs, ash, cinders b. cinders, bombs, ash c. ash, cinders, bombs d. bombs, cinders, ash
What is d. bombs, cinders, ash?
300
Volcanoes in the Ring of Fire are supplied magma from this.
What is rising magma from subduction zones?
400
Some positive effects of volcanoes.
What is magnificent mountain landscape, rich soil, tourist industry?
400
A pyroclastic flow is so dangerous because of these two factors.
What is speed and temperature?
400
When a volcano is not active but capable of becoming active it is called this.
What is dormant?
400
"Quarter sized" rock fragments that contain holes and tunnels left by escaping gases.
What is cinders?
400
This is a hot spot located in the middle of the ring of fire.
What is the Hawaiian islands?
500
This is the reason why tilted blocks of rock are common along mid-ocean ridges.
What is plats move apart at these tectonic plate boundaries.
500
A device used to measure the movement of the ground.
What is seismometer?
500
The type of magma erupting from a volcano determines a volcano's ______________.
What is shape?
500
Some dangers of rock fragments are...
What is can collapse buildings, cause fires, darken the sky?
500
When Nemo is asked to cross over the ring of fire they nicknamed him this.
What is "shark bait"?
M
e
n
u