Which of the following is not a result of an earthquake?
Volcanoes
What makes California so prone to geologic processes such as earthquakes and volcanoes?
The plate tectonic setting.
Which group of minerals are the most abundant in the Earth s crust?
Silicates
Which of the following IS NOT correct?
The Oceanic crust is thicker and denser than continental crust.
Which of the following particles is not found in an atom?
Selectron
Two different elements can have the same number of protons.
FALSE
What type of stress is associated with a transform boundary?
Shear
What type of fold is shown in the figure to the right (indicated by the arrow)?
Anticline
The _________ measures the amount of energy released by an earthquake while ________ measures the amount damage done by an earthquake.
"Magnitude, Intensity"
Which of the following is not a physical properties used to identify minerals:
Smoothness
What type of stress is associated with a convergent plate boundary?
Compression
"The three most abundant elements in the Earth s crust are Oxygen, Silicon & ________________."
Aluminum
Which of the following is the single difference that makes a plate boundary divergent, convergent or transform ?
Relative plate motion directions
The ________wave is shown arriving at A, above, and the ________ wave is shown arriving at B.
P , S
Who is credited with the theory of sea floor spreading?
Harry Hess
What does a short lag time tell you about the distance between the seismic station and the epicenter?
The station is located close to the epicenter
What is the evidence for the subducting oceanic plate?
A line of earthquakes descending deep into the Earth.
The fault shown is a ____________ Fault caused by _____________ Stress.
"Reverse, Compressional"
Point C, on the surface located directly above focus, is called the:
Epicenter
What is Pangaea?
The name of the large land mass before the continents broke apart.
What is the definition of atomic number?
The number of protons in the atom
Which of the following is NOT true about mid-ocean ridges?
They are sites of subducting oceanic plates
Who is credited with developing the continental drift hypothesis?
Alfred Wegner
In reference to a mineral, what is cleavage?
Planes of weakness in a mineral.
Which of the following is an incorrect statement about earthquakes?
They are distributed randomly across the globe
What is the evidence for a transform plate boundary?
Features that have been offset great and small distances on either side of a fault.
Why is oceanic crust subducted while continental crust is not?
Ocean crust is thinner and denser
_________ waves are faster than ________ waves.
P, S
The appearance of a mineral in reflected light is the mineral
Luster
What are the two main categories of seismic waves?
Body waves and Surface waves
Which group of minerals are very important producing most of our ore minerals.
Oxides
__________ represents the underground source of the earthquake, the point where the fault first broke.
Focus
Folds result from what type of deformation?
Ductile
Which plate boundary is associated with the destruction of ocean crust?
Convergent
Which one of the following is not true for minerals?
They can be a liquid, solid, or gas
Where is ocean crust being formed today?
Divergent Plate Boundary
The deepest earthquakes are associated with _____.
Convergent boundaries
What is one way that scientists found out that the earth has layers?
Reviewing seismic data from many earthquakes
What evidence do scientists use to determine where the different plate boundaries are located in the Earth's crust?
"a, b, & c"
The element at the center of a silicon oxygen tetrahedron is surrounded by ___________.
4 Oxygen atoms
According to the definition of a mineral, which of the following is not a mineral?
Water
What was the main reason why the continental drift theory was rejected by many scientists?
His drift model lacked a mechanism to get the plates moving .
What drives plate tectonics (Continental Drift s missing mechanism of motion)?
Convection within the mantle
Which of the plate boundary types are considered conservative?
Transform
Which column of the periodic table is the least reactive and why.
The last column because they don't have to bond with anything else to fill their outer shell.
What was the final, indisputable evidence (discovered in the 1960 s) for seafloor spreading and consequently gave rise to the theory of plate tectonics?
Parallel, magnetic stripes recorded in ocean floor
What direction do P waves move through the ground?
