Marine Science: Introduction to Plate Tectonics
1: How many earthquakes occur every year around the world?
Average 6,000 earthquakes occur every year around the world
2: What is the Tectonics Theory? Explain.
Plate tectonics is the theory that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface relative to each other, like slabs of ice on a lake.
3: Where do the Tectonic forces originate?
Deep within the planet
4: What are Earth’s 3 main layers?
The core, the mantle, and the crust are the Earth's 3 main layers.
5: Where is Tectonic activity concentrated?
Along the various fault lines between plates is where tectonic activity is concentrated.
1: How many earthquakes occur every year around the world?
Average 6,000 earthquakes occur every year around the world
2: What is the Tectonics Theory? Explain.
Plate tectonics is the theory that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface relative to each other, like slabs of ice on a lake.
3: Where do the Tectonic forces originate?
Deep within the planet
4: What are Earth’s 3 main layers?
The core, the mantle, and the crust are the Earth's 3 main layers.
5: Where is Tectonic activity concentrated?
Along the various fault lines between plates is where tectonic activity is concentrated.
6: What is the Lithosphere? Where is it located?
It is the rigid outermost shell of a rocky planet. Here on Earth the lithosphere contains the crust and upper mantle. The Earth has two types of lithosphere: oceanic and continental
It is the rigid outermost shell of a rocky planet. Here on Earth the lithosphere contains the crust and upper mantle. The Earth has two types of lithosphere: oceanic and continental
7: What is the Asthenosphere? Why is it important to plate tectonics?
It is the squishy layer under the Lithosphere; It keeps the plate tectonics to float.
It is the squishy layer under the Lithosphere; It keeps the plate tectonics to float.
8: How fast do plates move (average?)
The rate of fingernails grow
9: What are the 3 types of plate boundaries?
-Divergent - plates move away from each other
-Convergent - plates move toward each other
-Transform - plates slide past each other
10: What happens at Divergent Boundaries? Where are these mostly located?
Earthquakes. On continents they produce rifts which produce rift valleys.
11: What kind of rock is Oceanic Crust made of?
12: What happens at Convergent Boundaries? What is often formed? Explain.
13: What is Granite? Where is it found?
14: What happens at Transform Boundaries? What is special about transform boundaries?
The rate of fingernails grow
9: What are the 3 types of plate boundaries?
-Divergent - plates move away from each other
-Convergent - plates move toward each other
-Transform - plates slide past each other
10: What happens at Divergent Boundaries? Where are these mostly located?
Earthquakes. On continents they produce rifts which produce rift valleys.
11: What kind of rock is Oceanic Crust made of?
12: What happens at Convergent Boundaries? What is often formed? Explain.
13: What is Granite? Where is it found?
14: What happens at Transform Boundaries? What is special about transform boundaries?