Vocabulary for Plate Tectonics
• Wegener published this theory in his 1915 book, On the Origin of
Continents and Oceans. I...
4.1 Tracking Plate Movement
• Scientists have substantial evidence to support the idea that the Earth’s
crust is divided i...
GPS (Global
Positioning
Systems)
Geologists and Seismologists monitor plate
movement by using numerous technological
advan...
SLR (Satellite Laser Ranging)
http://ilrs.gsfc.nasa.gov/network/stati
ons/index.html

http://ilrs.gsfc.nasa.gov/network/st...
Map of Stations
Please watch the following video to learn
more about how GPS works and some of the
uses:

• Navigational Uses for Global P...
Glossary of Earth Science Terms
Asthenosphere
A hot, malleable semiliquid zone in the upper
mantle, directly underneath the lithosphere,
on which the plat...
Boundary
The border between two tectonic plates.
Collision Zone
The place where a collision between two
continental plates crunches and folds the
rocks at the boundary, li...
Continental Crust
A layer of the earth's crust that lies under the
seven continents. It is about 20 to 40 miles
(35 to 70 ...
Convergent
Boundary
The boundary that occurs where two plates
are pushing toward each other.
Below: the Himalayas
Crust
Hard and rigid, the earth's outermost and
thinnest layer. It is only a few miles (5 km)
thick under the oceans and a...
Divergent
Boundary
The boundary that occurs where two plates
are moving apart from each other.
Earthquake
A trembling and shaking of the earth's
surface resulting from the sudden release of
energy in the crust, either...
Earthquakes occur along plate
boundaries.
Fault
A crack or fracture in Earth's crust where two
tectonic plates grind past each other in a
horizontal direction.
Inner Core
The innermost layer of the earth, an
extremely hot, solid sphere of mostly iron
and nickel. The inner core is 3...
Lithosphere
Made up of the crust and a tiny bit of the
upper mantle, this zone is divided into
several constantly (very sl...
Magma
Molten rock that flows beneath the earth's
surface and is made up of gases, liquids, and
crystals. When magma reache...
Mantle
This dense layer of the earth is made of hot,
semisolid rock and is located directly below
the crust. It is about 1...
Oceanic Crust
The type of crust lying under the oceans of
the world. It is only 4 to 6 miles (7 to 10 km)
thick and usuall...
Outer Core
This layer of the earth lies between the
mantle and the solid inner core. It is the only
liquid layer, a sea of...
Alfred Wegener
In 1915, the German geologist and
meteorologist Alfred Wegener (1880-1930)
first proposed the theory of con...
Tectonic Plates
Several large slabs of the lithosphere that
hold the continents and oceans and are
slowly but constantly m...
Pangaea
The name given to the supercontinent that
existed more than 225 million years ago, in
which the present-day contin...
Mesosaurus
A now extinct swimming reptile. Fossils
found in South America and in Africa
Rift
A dropped zone where two tectonic plates
are pulling apart.
Seafloor Spreading
The process that forms new ocean floor and
oceanic crust. Magma oozes up from the
mantle through a crac...
Subduction zone
The place where one plate is getting bent
and pulled under the edge of another plate.
Mid-ocean Ridge
A raised area or mountain range under the
oceans formed when magma fills the space
between two tectonic pl...
Marianas trench
deepest spot in any ocean, an example of
converging oceanic plates
Trench
A deep valley that forms at the edge of a
continent when an oceanic plate sinks
underneath a continental plate.
Tsunami
A huge ocean wave caused by a sudden,
powerful shift on the ocean floor, like an
undersea earthquake, landslide, o...
Atlantic
ocean created when the super continent
broke apart
San Andreas Fault
example of a transform fault boundary
Transform
Boundary
The boundary that occurs where two plates
slide past each other.
Great Rift Valley in
Africa
example of divergent boundary in
continental crust
Himalaya Mountains
example of boundary where continental
crust collided
Convection current
cycle of heating, rising, cooling and sinking
Citations
•

http://www.enchantedlearning.com/subjects/dinosaurs/glossary/indexp.shtml#Pangaea

•

http://www.enchantedlea...
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Vocabulary for plate tectonics

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Earth Science: Vocabulary for plate tectonics. Includes GPS (Global Positioning Systems) and SLR (Satellite Laser Ranging).

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Vocabulary for plate tectonics

  1. 1. Vocabulary for Plate Tectonics • Wegener published this theory in his 1915 book, On the Origin of Continents and Oceans. In it he also proposed the existence of the supercontinent, and named it Pangaea(Pangaea means "all the land" in Greek). Since then we have developed modern technology to help us keep track of the movements of the continental plates.
  2. 2. 4.1 Tracking Plate Movement • Scientists have substantial evidence to support the idea that the Earth’s crust is divided into numerous plates, which are constantly moving or floating on a river of molten magma. • Geologists and Seismologists monitor plate movement by using numerous technological advancements. Some of the tools used by these scientists are: • GPS (Global Positioning Systems) and SLR (Satellite Laser Ranging). • Please watch the following video to learn more about how GPS works and some of the uses: • Navigational Uses for Global Positioning Systems (Source: NASA video) • Navigation Global Uses
  3. 3. GPS (Global Positioning Systems) Geologists and Seismologists monitor plate movement by using numerous technological advancements. Some of the tools used by these scientists are: GPS (Global Positioning Systems) and SLR (Satellite Laser Ranging).
  4. 4. SLR (Satellite Laser Ranging) http://ilrs.gsfc.nasa.gov/network/stati ons/index.html http://ilrs.gsfc.nasa.gov/network/stati ons/ILRS_Stations_Map.html
  5. 5. Map of Stations
  6. 6. Please watch the following video to learn more about how GPS works and some of the uses: • Navigational Uses for Global Positioning Systems (Source: NASA video) • Navigation Global Uses • http://www.nasa.gov/audience/foreducators/topnav/materials/listby type/Navigational_Uses_for_Global.html
  7. 7. Glossary of Earth Science Terms
  8. 8. Asthenosphere A hot, malleable semiliquid zone in the upper mantle, directly underneath the lithosphere, on which the plates of the lithosphere move (or float).
  9. 9. Boundary The border between two tectonic plates.
  10. 10. Collision Zone The place where a collision between two continental plates crunches and folds the rocks at the boundary, lifting them up and leading to mountain formation.
  11. 11. Continental Crust A layer of the earth's crust that lies under the seven continents. It is about 20 to 40 miles (35 to 70 km) thick and very old.
  12. 12. Convergent Boundary The boundary that occurs where two plates are pushing toward each other. Below: the Himalayas
  13. 13. Crust Hard and rigid, the earth's outermost and thinnest layer. It is only a few miles (5 km) thick under the oceans and averages 20 miles (30 km) thick under the continents.
  14. 14. Divergent Boundary The boundary that occurs where two plates are moving apart from each other.
  15. 15. Earthquake A trembling and shaking of the earth's surface resulting from the sudden release of energy in the crust, either along fault lines or from volcanic activity.
  16. 16. Earthquakes occur along plate boundaries.
  17. 17. Fault A crack or fracture in Earth's crust where two tectonic plates grind past each other in a horizontal direction.
  18. 18. Inner Core The innermost layer of the earth, an extremely hot, solid sphere of mostly iron and nickel. The inner core is 3,200 to 3,960 miles (5,150 to 6,378 km) below the surface and about 750 miles (1,200 km) thick.
  19. 19. Lithosphere Made up of the crust and a tiny bit of the upper mantle, this zone is divided into several constantly (very slowly) moving plates of solid rock that hold the continents and oceans.
  20. 20. Magma Molten rock that flows beneath the earth's surface and is made up of gases, liquids, and crystals. When magma reaches the surface, it is called lava.
  21. 21. Mantle This dense layer of the earth is made of hot, semisolid rock and is located directly below the crust. It is about 1,800 miles (2,900 km) thick.
  22. 22. Oceanic Crust The type of crust lying under the oceans of the world. It is only 4 to 6 miles (7 to 10 km) thick and usually younger than continental crust. Below: a section of ancient oceanic crust that has been uplifted by shifting tectonic plates.
  23. 23. Outer Core This layer of the earth lies between the mantle and the solid inner core. It is the only liquid layer, a sea of mostly iron and nickel about 1,400 miles (2,300 km) thick.
  24. 24. Alfred Wegener In 1915, the German geologist and meteorologist Alfred Wegener (1880-1930) first proposed the theory of continental drift, which states that parts of the Earth's crust slowly drift atop a liquid core. The fossil record supports and gives credence to the theories of continental drift and plate tectonics. Wegener published this theory in his 1915 book, On the Origin of Continents and Oceans. In it he also proposed the existence of the supercontinent Pangaea, and named it (Pangaea means "all the land" in Greek).
  25. 25. Tectonic Plates Several large slabs of the lithosphere that hold the continents and oceans and are slowly but constantly moving around the earth.
  26. 26. Pangaea The name given to the supercontinent that existed more than 225 million years ago, in which the present-day continents were joined together in one large landmass.
  27. 27. Mesosaurus A now extinct swimming reptile. Fossils found in South America and in Africa
  28. 28. Rift A dropped zone where two tectonic plates are pulling apart.
  29. 29. Seafloor Spreading The process that forms new ocean floor and oceanic crust. Magma oozes up from the mantle through a crack in the ocean floor, filling in the space between the plates and spreading out from the plate boundary.
  30. 30. Subduction zone The place where one plate is getting bent and pulled under the edge of another plate.
  31. 31. Mid-ocean Ridge A raised area or mountain range under the oceans formed when magma fills the space between two tectonic plates that are spreading apart.
  32. 32. Marianas trench deepest spot in any ocean, an example of converging oceanic plates
  33. 33. Trench A deep valley that forms at the edge of a continent when an oceanic plate sinks underneath a continental plate.
  34. 34. Tsunami A huge ocean wave caused by a sudden, powerful shift on the ocean floor, like an undersea earthquake, landslide, or volcanic eruption.
  35. 35. Atlantic ocean created when the super continent broke apart
  36. 36. San Andreas Fault example of a transform fault boundary
  37. 37. Transform Boundary The boundary that occurs where two plates slide past each other.
  38. 38. Great Rift Valley in Africa example of divergent boundary in continental crust
  39. 39. Himalaya Mountains example of boundary where continental crust collided
  40. 40. Convection current cycle of heating, rising, cooling and sinking
  41. 41. Citations • http://www.enchantedlearning.com/subjects/dinosaurs/glossary/indexp.shtml#Pangaea • http://www.enchantedlearning.com/subjects/dinosaurs/glossary/indexw.shtml • http://www.learner.org/interactives/dynamicearth/index.html • http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Navigational_Uses_for_Global.html • Creative Commons Bing Online Images

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