Show:
Continental Drift
Seafloor Spreading
Earth's Plates
Grab Bag 1
Grab Bag 2
100
This is the name of the proposed "supercontinent" where all the earth's continents were once joined together.
What is Pangaea?
100
The mid-ocean ridges are locations for tectonic plate subduction. T or F
What is F?
100
Sea-floor spreading is thought to be driven by the movement of __________. a. glaciers b. synclines c. the mantle d. sediments
What is C?
100
In which level of a diluvial geologic column would you expect to find the greatest number and variety of fossils
What is the flood event?
100
Daily Double-- Must answer both 1. Which book of the Bible contains the most references to cold weather, snow, and ice? 2. T of F Methuselah died in the same year the Flood began.
1. What is the Book of Job? 2. T
200
This is the meteorologist who first proposed the continental displacement theory
Who is Alfred Wegener?
200
These features form as new crust rises to the surface during seafloor spreading
What are mid-ocean ridges?
200
Most secular and young-earth geologists accept the plate tectonics theory, but they usually disagree on __________ and ____________.
What is When and How Fast it occurred?
200
The year 1056 AM
What is year Noah was born?
200
Daily Double -- Must answer all three 1. These two things are necessary for a glacial period to begin 2. T or F Many creationary scientists believe that there was a single ice age sometime after the Flood. 3. T or F The wooly mammoths that died in the far north were probably buried rapidly in vast dust storms late in the Ice Age.
1. What are a rapid cooing of continents(due to volcanic dust) and very warm oceans? 2. What is T? 3. What is T?
300
Continental drift is thought to occur because of ____ a. earthquakes b. Pangaea. . c. magnetic reversal. d. seafloor spreading
What is d?
300
This ocean is currently growing in size due to seafloor spreading.
What is the Atlantic Ocean?
300
Tectonic plates __________. a. contain only continents b. contain only oceanic crust c. may contain both continental crust and oceanic crust d. make up a conceptual model for explaining the history of the earth's surface but are not real things
What is c?
300
the small folds of strata you see along roads cut through rock
What is a syncline?
300
Catastrophic plate tectonics resulted in __________ movements of tectonic plates during a short amount of time.
What is rapid?
400
Presently, scientists have observed that the continents move apart or come together at speeds of a few centimeters per ____.
What is year?
400
The youngest rocks in the ocean floor are located at the
What is mid-ocean ridges?
400
The puzzlelike fit of continental coastlines was one piece of evidence Wegener used to suggest that the continents were once joined.
What is T?
400
Daily Double-- Must answer at least three of the following: 1. This is the term for one plate being forced underneath another plate. 2. T or F The largest standard unit of time in the secular geologic column is the eon. 3. ex nihilo means 4. anno mundi means
1. What is Subduction? 2. T 3. "from nothing" 4. "year of the earth"
400
John Baumgardner, a geophysicist proposed the theory ?
What is the catastrophic plate tectonics theory?
500
This is the name of the "superocean" when all the earth's oceans were combined together
What is Panthelassa?
500
Seafloor spreading occurs because ____ a. new material is pulled by the moon. b. earthquakes break apart the ocean floor. c. sediments accumulate on the ocean floor. d. hot, less-dense material below Earth’s crust is forced upward toward the surface.
What is d?
500
These are the two types of plates found on earth.
What are continental plates and oceanic plates?
500
Geologists estimate an absolute age for a rock by using ___ _______.
What is radiometric dating?
500
This feature is formed in the ocean when one oceanic plate is forced below another plate
What is a trench?