Earth
Rocks
Tectonics
Earthquakes/
Voclanoes
Miscellaneous
100
Layer of Earth used to grow crops.
What is the crust.
100
Inorganic, naturally occurring, has definite composition, & set characteristics.
What is a mineral.
100
The point where plates of crust collide.
What is a convergent boundary?
100
Type of waves created by Earthquakes.
What are seismic waves?
100
Large super continent once thought to have existed.
What is PANGAEA?
200
This layer makes approximately 80% of the Earth's mass.
What is the mantle.
200
Type of rock made from cooled magma or lava.
What is an igneous rock?
200
The idea that the crust is broken up into large pieces that "float" on the mantle.
What is the Theory of Plate Tectonics?
200
Number of data points needed to determine the focus/epicenter of an earthquake.
What is three?
200
Process of breaking rock down into sediments.
What is weathering?
300
The two types of crust.
What is oceanic & continental crust?
300
Rock in which fossils are found.
What is sedimentary rock?
300
Point at which one plate is pushed or sucked under the other one creating a trench.
What is a subduction zone?
300
The largest of the volcanoes.
What is a shield volcano?
300
Rock formed by extreme heat and pressure.
What is a metamorphic rock?
400
The "plastic" fluid layer of the Earth.
What is the mantle.
400
Principle used to give a relative age of a rock based on position in the Earth.
What is the Principle of superposition?
400
Seismic activity created by transform fault boundaries.
What is an earthquake?
400
Seismic wave that travels through all three states of matter.
What is a P wave?
400
The exact point in the Earth's crust where an earthquake originated.
What is the focus?
500
The core is made of this metal.
What is iron.
500
An igneous rock that shows no crystal formation.
What is an extrinsic igneous rock?
500
Man credited with developing the Theory of Plate Tectonics.
Who is Alfred Wegener?
500
Area of the Pacific Ocean where the majority of volcanic eruptions & earthquakes occur.
What is The Ring of Fire?
500
Most effective physical weathering agent.
What is water?
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