the theory the earth's continents have drifted apart through time
What is Continental Drift
100
true or false
p waves travel slower than s waves
false
100
the 3 main rock types
What are igneous, metamorphic, and sedimentary
200
The layers of the Earth
What are the crust, mantel, outer core, and inner core
200
The proposed supercontinent 200 million years ago
What is Pangea
200
focus
What is the point under the earth's surface where the plate faults
200
regions underneath lithospheric plates which are abnormally hot and can cause volcanism in those regions
What are hot spots
200
substances that are sold, inorganic, and occur naturally
What are minerals
300
the spinning of the earth on its axis
What is rotation
300
Seafloor Spreading
the diverging of oceanic crust and forming of new seafloor
300
true or false
magnitude and mercalli intensity are the same thing
false
300
mafic lava is also known as _____
Aa
300
true or false
Intrusive and extrusive are types of igneous rocks
true
400
The orbit of the Earth around the sun
What is a revolution
400
the theory that the earth's lithosphere is divided into several large plates which move slowly
What is plate tectonics
400
ring of fire
What is a region surrounding the Pacific Ocean where the majority of the earth's earthquakes and volcanoes occur
400
pahoehoe
What is mafic lava which cools slowly and produces a ropy texture
400
5 different way to help identify different types of minerals
color, luster, streak, cleavage, hardness,
500
the difference between an equinox and a solstice
An equinox is when the sun strikes directly on the equator and a solstice is when the sun is at the highest points in the northern and southern hemisphere
500
the 3 different plate boundaries
What are divergent, convergent, and transform boundaries
500
the straightening of plates after plates under stress snap, the cause of the majority of seismic waves
What is the Elastic Rebound Theory
500
felsic lava
What is light colored, thick lava found primarily in continental crust
500
the rock cycle
magma, crystallization, igneous rock, weathering and erosion, sediment, cementation and compaction, sedimentary rock, heat and pressure, metamorphic rock, melt, magma