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What is a subduction zone?
A subduction zone is a collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.
What are the three rock types?
Metamorphic, sedimentary, Igneous
How many different types of volcano are there? What are the names?
3, Stratovolcanoes, Shield, and cinder cone
what boundary causes rift valleys and mid-oceanic ridges?
Divergent boundary
top layer
crust
What boundary type causes shield volcanos?
Which rock types are you expected to see fossils in
sedimentary.
What is the name of magma that reaches the earths surface?
Lava
3 main types of faults?
normal, reverse (thrust) and strike-slip
which layers are solid?
Crust, inner core
Where are volcanoes and earthquakes more likely to occur?
The ring of fire
True or False: Each rock type can only follow one pathway of the rock cycle.
FALSE
The belt of volcanoes around the rim of the Pacific Ocean is called the.....
Ring of fire
name the Convergent Oceanic-Oceanic landform
volcanic isle
Hottest layer
inner core
What is Pangaea?
a supercontinent that existed during the late Paleozoic and early Mesozoic eras.
Which type is made by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation
sedimentary
Is magma more or less dense than the surrounding rock?
Less, Thats why it rises.
What causes the movement of the plates?
convection currents in the molten rock in Earth's mantle below the crust.
which 2 layers have iron?
inner and outer core
Who proposed the theory of Continental Drift?
Alfred Wegener
What type of rock is made by the cooling of magma?
Igneous rock
Which volcano is the smallest type?
Cinder cone!
what is the Definition of the theory?
that Earth's lithosphere comprises a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago.
Every layer in order by name. (4)
(1) crust (2) mantle (3a) outer core (3b) inner core