EARTHSCI 1G03 EXAM REVIEW UPDATED ACTUAL Exam Questions and CORRECT Answers
0 view 0 purchase
Course
EARTHSCI 1G03
Institution
EARTHSCI 1G03
EARTHSCI 1G03 EXAM REVIEW
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Age of Earth - CORRECT ANSWER- 4.6 billion years
Seismometer - CORRECT ANSWER- Instrument used to measure horizontal or vertical
motion during an earthquake.
Uniformitarianism - CORRECT ANSWER- The past geological e...
EARTHSCI 1G03 EXAM REVIEW
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Age of Earth - CORRECT ANSWER- ✔✔4.6 billion years
Seismometer - CORRECT ANSWER- ✔✔Instrument used to measure horizontal or vertical
motion during an earthquake.
Uniformitarianism - CORRECT ANSWER- ✔✔The past geological events can be explained
by forces occurring today
Alfred Wegener - CORRECT ANSWER- ✔✔A German scientist who proposed the theroy of
continental drift
Geologic evidence of continental drift - CORRECT ANSWER- ✔✔-rock units on different
continents have similar structure
Mid Ocean Ridges - CORRECT ANSWER- ✔✔-submerged mountain regions
-longest continuous feature of the earths crust
-tensional features formed by stretching the ocean crust
Faults - CORRECT ANSWER- ✔✔Breaks in Earth's crust where rocks have slipped past
each other.
What happens when oceanic crust is pulled apart? - CORRECT ANSWER- ✔✔-creates new
crust at mid ocean ridges
-as it pulls apart it collapses in the central rift valley and forms fracture zones
Ring of Fire - CORRECT ANSWER- ✔✔shows earthquake and volcanic activity associated
with destruction and convergence of lithospheric plates
,sea-floor spreading - CORRECT ANSWER- ✔✔-oceanic crust is created at the mid ocean
ridges
-oceanic crust spreads laterally
-oceanic crust descends back into the mantle at the deep sea trenches
-magma rises
Plate Techtonics - CORRECT ANSWER- ✔✔-theory that the lithosphere is made up of
plates that float on the asthenosphere and that the plates possible are moved by convection
currents
divergent boundary - CORRECT ANSWER- ✔✔-two plates moving away from each other
-crust is created
-volcanoes are active here
-earthquakes common
convergent boundary - CORRECT ANSWER- ✔✔-two plates collide with each other
-crust is recycled
transform boundary - CORRECT ANSWER- ✔✔-two plates slide by each other horizontally
-crust isn't created or destroyed
ocean-ocean convergent boundary - CORRECT ANSWER- ✔✔-cooler oceanic plate
subducts underneath island arcs
-creates deep sea trench
-partial melting generates magma
-magma rises and fuels volcanos
-density change is the reason for magma moving up
ocean-continent convergent boundary - CORRECT ANSWER- ✔✔-ocean crust subducts at
shallow angle
-volcanos on continental crust
, continent- continent convergent boundary - CORRECT ANSWER- ✔✔-extremely high
topography at early stages
-cause isostatic forces to make very thick crust and high mountain ranges
-no volcanos
-no mass is pushed down into the mantle
Paleomagnetic Evidence - CORRECT ANSWER- ✔✔-inclination of magnetic minerals
depend on altitude
-at the equator, magnet is pulled equally in opposite directions
-from rocks we are able to see how far away poles were and in which position
Magnetometer - CORRECT ANSWER- ✔✔-collects data on the magnetic field in the ocean
magnetic reversal - CORRECT ANSWER- ✔✔a switch in the direction of Earth's magnetic
field so that the magnetic north pole becomes the magnetic south pole and the magnetic south
pole becomes the magnetic north pole.
Seafloor Isochrons - CORRECT ANSWER- ✔✔-contours connecting rocks of equal age
-from age you can find out the spreading rate
-v=d/t
triple junction - CORRECT ANSWER- ✔✔where three plates meet
mantle plumes and hot spots - CORRECT ANSWER- ✔✔-rises and forms volcanoes on the
surface
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
