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Earthquakes
Volcanoes
Rocks
Plate Tectonics
Minerals
100
lag time
What is the difference in the arrival time of the p wave and s wave
100
felsic lava
What is light colored, silisic lava called?
100
Igneous, Sedimentary and Metamorphic
What are the three families of rocks called?
100
Divergent
What is the type of boundary found at the Mid-Atlantic Ridge?
100
Mohs hardness scale
What is the standard that we use to rate a mineral's hardness?
200
Three
What is the amount of seismic stations needed to find the epicenter of an earthquake?
200
Shield
What type of volcano is Mt. St. Helens?
200
Metamorphic
What type of rock is usually harder than the type that it was before?
200
Transform
What type of plate boundary is found at the San Andreas fault?
200
Streak test
What is the test that determines the color of the powder of a mineral?