ONE
What is a the name of the super continent proposed in the Continental Drift Theory?
Pangaea
When plate tectonics collide
Convergent
Divergent
When plate tectonics slide
Transform
Mountain Ranges
What are the three layers of the Earth?
Crust, Mantle, Core
When the ocean floor splits open and magma rises creating a new ocean floor it is called a...
Mid-Ocean Ridge
Huge broken pieces of the lithosphere are called what?
Tectonic Plates
The oldest layer of rock is at the bottom and the youngest layer of rock is at the top. We call this ___ __ ___________.
Law of Superstition
Transform Boundaries cause what geological feature/event?
Earthquakes & Faults
The driving force of plate tectonics. These circular movements in Earth's mantle cause the tectonic plates on Earth's crust to move.
Convection Currents.
Transform boundaries occur when tectonic plates slide past each other and form _______ and earthquakes.
Faults
What is it called when the plate with greater density sinks below the less dense plate?
Subduction
Once reason why continents are higher than the ocean floor is because oceanic crust is _______ than continental crust.
denser
Divergent Boundaries cause what geological feature/event?
Valleys, Trenches, Volcanoes, Mid-ocean Ridge
What happens when two continental plates of different densities collide?
The plate with greater density sinks below the less dense plate to form a trench (aka subduction).
This scientist concluded that the continents must move over time. He shared his evidence and scientists gave the process its more familiar name: continental drift.
Alfred Wegener
The concept of continental drift was first supported by what significant evidence?
Fossil Evidence
Layer of the Earth upon layer which the plates move.
Mantle
Which is younger: oceanic crust or continental crust?
Oceanic Crust
Which of the following are major forms of evidence used to support plate tectonics?
-Convection Currents
-Glacier Deposits
-Land Formations
-Seafloor Spreading
Convection Currents & Seafloor Spreading
Which two continents did Wegener say fit together like puzzle pieces?
South America & Africa
Which statements are true about plate tectonics? Select TWO correct answers.
a) convergent boundaries pull away from each other and create basins
b) transform boundaries slide past each other and cause earthquakes
c) divergent boundaries pull away from each other and create rift valleys
d) divergent boundaries come together and create mountains.
B & C
which of the following is the best evidence that continents were once joined?
a) continentd were once joined now have similar climates
b) identical plant and animal fossils are found on continents that are now separated
c) the cultures of the people on separated continents have similar languages
d) the migratory patterns of wildlife on separated continents are similar
B
Which of the following is not a result of plate tectonics?
a)Earthquakes
b)Mountain Building
c)Volcanic Eruptions
d)Tornadoes
d) Tornadoes