Composition of the Earth
Structure of the Earth
Volcanoes
Earthquakes
100
The outermost layer of the Earth
What is the crust of the earth
100
The outermost, rigid layer of the Earth
The lithosphere is
100
There are _______ main kinds of volcanoes
three
100
Most earthquakes take place on the edges of ___________
Tectonic plates
200
This is mostly made of iron, with smaller amounts of nickel and possibly sulfur and oxygen.
What is the core mostly made of?
200
The thickest layer of the Earth
What is the mantle
200
The difference between explosive and nonexplosive volcanoes.
Which has lava flows wile the other explode of clouds of hot debris, molten rock and gases
200
These occur mostly near the edges of tectonic plates
Where do faults occur most at?
300
Contains most of the Earths mass
The mantle..
300
One is considered a weak sphere while the other considered the strong, lower sphere.
What is the difference between the asthenosphere and the mesosphere
300
The most common type of volcano
What are composite volcanoes
300
The change in the shape of rock in response to stress
What is deformation
400
It's composition is similar to granite
What is the continental crust's composition similar to?
400
The 5 layers of the Earth in order
What is lithosphere, asthenosphere,mesosphere,outer core, inner core
400
Two factors that make a explosive eruption more likely
What does high water content and silica cause
400
The sudden return of elastically deformed rock to it's original shape
What is elastic rebound?
500
This makes up 67% of Earth's mass
The mantle makes up this much of the Earth's mass
500
The difference in compositions between the inner core and outer core
Which has the consistency of liquid and which has a solid, dense consistency?
500
The four main types of lava
What is blocky lava, pahoehoe, Aa, and pillow lava
500
This motion cause strong, deep earthquakes
Convergent plate motion cause this type of earthquake
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