Pizza Hut Thin and Crispy
What two things are used to date the Earth?
Meteorites and Zircon
What is a subduction zone?
Where oceanic crust goes underneath the continental crust and is recycled.
Which part of the tubeworm maintains the plume?
Vestimentum
What kind of plate boundary is the Washington-Oregon Coastline?
Convergent
What magnetic charge does the North pole have?
Bonus: Has it ever changed?
South
Yes, many times!
What is the difference between the oceanic crust and continental crust?
Oceanic- younger, denser, recycled
Continental- older, thicker
Where are the youngest rocks on the seafloor?
Closest to the mid-ocean ridge.
Which part of the tubeworm is the brachial filaments filled with blood vessels (hemoglobin)?
Plume
What kind of plate boundary is the San Andreas Fault?
Transform
What effect does an increase of temperature have on seismic waves?
Makes them decrease.
How is Earth different than other terrestrial planets?
Moving Tectonic Plates
Where are the oldest rocks on the seafloor?
Closest to continental plates, furthest away from mid-ocean ridges.
Which part of the tubeworm acts as the anchor when plume retracts?
Opisthosome
What kind of plate boundary is Mid-Atlantic Ridge?
Divergent
What effect does an increase of pressure have on seismic waves?
Makes them increase.
Inner Core
Outer Core
Mantle
Crust
What proof do we have that the seafloor is spreading?
Reversed polarities on the seafloor.
Which part of the tubeworm contains trophosome – where bacteria lives?
Trunk
What kind of plate boundary is the Mediterranean Sea?
Plate Boundary Zone
What scale is used to measure earthquakes?
Richter
What three pieces of evidence did Wegener use to prove continental drift?
Rock
Climatic
Fossils
Describe how seamounts are able to support life.
Currents bring nutrients from the colder water up to the warmer water due to its steep sides.
Why are tubeworms so unique?
Symbiotic relationship with bacteria that allows them to make their own food.
Where are hydrothermal vents found?
Mid-Ocean ridges
Where continental crust is separating.
What year did the earthquake hit South Carolina?
1886