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Tectonic Plates

Teacher: Mrs. Vandriessche
Across
After a volcano erupts the magma is called blank when it reaches the surface
When a _____ plate collides with a continental plate, it sinks into the mantle below.
The most _____ volcanoes occur above subduction zones.
A _____volcano, like Mauna Kea in Hawaii, has gentle slopes formed by oozing, runny lava.
Apart from land volcanoes can also be found in this environment
Where plates collide separate and grind
The year the first volcano was found
_____ rises and collects in chambers within the crust.
Volcanoes are made of this type of rock
Portable monitoring station is called a _____ and is placed on an active volcano to transmit seismic data to geologists about the movement of magma inside
Down
_____ is formed when 2 tectonic plates collide
As the oceanic plate sinks, _____ is squeezed out of it
The way a volcano erupts depends on the amount of _____ and silica
A cinder cone volcano, like Tavurvur in Papua New Guinea, forms when erupted _____ harden and fall to the ground, accumulating around the vent in a cone shape
What comes out of a volcano before it erupts
A place where a tectonic plate sinks beneath another
A _____ flow comes down a volcano when it erupts
The most explosive eruptions come from _____ volcanoes
Around the world, there are about 1,500 _____ volcanoes
A _____, like the one of Chaiten Volcano in Chile, forms when thick lava oozes from a vent, piles up, and cools into a steep mound.