Earthquakes
Rock Cycle
Layers of the Earth
Plate Tectonics
100
The three types of seismic waves.
What are primary, secondary, and surface wazes?
100
The three main types of rocks.
What are igneous, sedimentary, and metamorphic rocks?
100
The center of the Earth.
What is the core?
100
Theory that the Earth is made of numerous plates.
What is the theory of plate tectonics?
200
The starting point of an earthquake.
What is a focus?
200
Rocks are made of these.
What are minerals?
200
The layers of the Earth.
What are the core, lithosphere, asthenosphere, mantle, outer core, and inner core?
200
Plates that slide past eachother
What are transform plates?
300
Earthquakes occur along these type of boundaries.
What are transform boundaries?
300
Rock formed when sediments are compressed and cemented together.
What are sedimentary rocks?
300
The thickest layer of the Earth.
What is the mantle?
300
Plates that move towards eachother.
What are convergant plates?
400
Seismic waves that can only pass through solid rock.
What are secondary waves?
400
Rocks formed when lava cools.
What are extrusive igneous rocks?
400
Basatl is found in this layer.
What is the oceanic crust?
400
These types of plates formed the Mid Ocean Ridge.
What are divergant plates?
500
San Francisco has had many earthquakes because of this.
What is the San Andreas Fault Line?
500
Rocks formed by convection curents.
What are intrusive igneous rocks?
500
Tectonic plates make up this layer.
What is the lithosphere?
500
Plate containing all of the continents millions of years ago.
What is pangea?
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