Seafloor spreading and plate tectonics are major concepts in geology
... subduction zone is an area where a cold slab of seafloor is forced back into the mantle beneath another plate. Plates are moving toward each other at this, the second type of plate boundary, known as a converging boundary. Geothermal heat and friction increase the temperature of the down-going plate ...
... subduction zone is an area where a cold slab of seafloor is forced back into the mantle beneath another plate. Plates are moving toward each other at this, the second type of plate boundary, known as a converging boundary. Geothermal heat and friction increase the temperature of the down-going plate ...
Plate Tectonics
... * _____________ ridges are continuous elevated zones on the floor of all major ocean basins. The rifts at the crest of ridges represent divergent plate boundaries. * ________ valleys are deep faulted structures found along the axes of divergent plate boundaries. They can develop on the seafloor or o ...
... * _____________ ridges are continuous elevated zones on the floor of all major ocean basins. The rifts at the crest of ridges represent divergent plate boundaries. * ________ valleys are deep faulted structures found along the axes of divergent plate boundaries. They can develop on the seafloor or o ...
Divergent Plate Boundaries
... conveyor belt-like convection currents within the semi-fluid asthenosphere. ...
... conveyor belt-like convection currents within the semi-fluid asthenosphere. ...
MS Unit 2 Part 2 Plate Tectonics
... continental plate (because the continental plate is lighter) – Begins to melt – Melting produces magma chambers which slowly rise through the continental crust – This movement of magma may cause earthquakes – If the magma chamber rises to the surface it will break through as a volcanic eruption. ...
... continental plate (because the continental plate is lighter) – Begins to melt – Melting produces magma chambers which slowly rise through the continental crust – This movement of magma may cause earthquakes – If the magma chamber rises to the surface it will break through as a volcanic eruption. ...
Plate Tectonics
... 2. Then, it, flows sideways, carrying the seafloor away from the ridge. 3. As the seafloor spreads apart, magma moves up and flows from the cracks, cools, and forms new seafloor. ...
... 2. Then, it, flows sideways, carrying the seafloor away from the ridge. 3. As the seafloor spreads apart, magma moves up and flows from the cracks, cools, and forms new seafloor. ...
"Inside Earth" Chapter 1 Section 5
... * The sections of Earth’s crust are called plates. * The jagged edges between the plates are called boundaries. How Plates Move *The Theory of Plate Tectonics explains the formation, movement, and subduction of Earth’s plates. * Convection currents in the mantle move the plates. As they move, they c ...
... * The sections of Earth’s crust are called plates. * The jagged edges between the plates are called boundaries. How Plates Move *The Theory of Plate Tectonics explains the formation, movement, and subduction of Earth’s plates. * Convection currents in the mantle move the plates. As they move, they c ...
plates test from TASA.cwk
... All major interactions between plates occur: ( ) Along plate margins ( ) Near the center of each plate where stress is greatest ( ) On the underside of each plate ...
... All major interactions between plates occur: ( ) Along plate margins ( ) Near the center of each plate where stress is greatest ( ) On the underside of each plate ...
Answers to the study guide
... 9. How does the core create a magnetic field around the Earth? a. The solid inner core spins inside the liquid outer core creating a strong magnetic field that surrounds the Earth far out into space 10. Who proposed the theory of continental drift? a. Alfred Wegener 11. What is the theory of contine ...
... 9. How does the core create a magnetic field around the Earth? a. The solid inner core spins inside the liquid outer core creating a strong magnetic field that surrounds the Earth far out into space 10. Who proposed the theory of continental drift? a. Alfred Wegener 11. What is the theory of contine ...
Divergent Boundaries: Origin and Evolution of the
... •Younger, warmer oceanic lithosphere is more buoyant and angles of descent are small •The lithospheric slab moves horizontally beneath a block of continental lithosphere •This phenomenon is called buoyant subduction •Subduction may be prevented or modified when oceanic crust is unusually thick becau ...
... •Younger, warmer oceanic lithosphere is more buoyant and angles of descent are small •The lithospheric slab moves horizontally beneath a block of continental lithosphere •This phenomenon is called buoyant subduction •Subduction may be prevented or modified when oceanic crust is unusually thick becau ...
THIRD QUARTER II. UNIT 5: PLATE TECTONICS Time
... 1. Earth’s surface features, such as mountains, volcanoes and continents, are the constantlychanging result of dynamic processes and forces at work inside the Earth. 2. Earth is formed of three basic layers, with the densest being the iron and nickel core. The middle layer, the mantle, of the Earth ...
... 1. Earth’s surface features, such as mountains, volcanoes and continents, are the constantlychanging result of dynamic processes and forces at work inside the Earth. 2. Earth is formed of three basic layers, with the densest being the iron and nickel core. The middle layer, the mantle, of the Earth ...
third quarter - New Haven Science
... 1. Earth’s surface features, such as mountains, volcanoes and continents, are the constantlychanging result of dynamic processes and forces at work inside the Earth. 2. Earth is formed of three basic layers, with the densest being the iron and nickel core. The middle layer, the mantle, of the Earth ...
... 1. Earth’s surface features, such as mountains, volcanoes and continents, are the constantlychanging result of dynamic processes and forces at work inside the Earth. 2. Earth is formed of three basic layers, with the densest being the iron and nickel core. The middle layer, the mantle, of the Earth ...
chapter 15B - plate tectonics 2
... mantle material • Volcanoes can form over them (Hawaiian Island chain) • Originate at great depth, perhaps at the mantle-core boundary • Since plate moves, but plume does not, it allows us to measure rate of plate motion. ...
... mantle material • Volcanoes can form over them (Hawaiian Island chain) • Originate at great depth, perhaps at the mantle-core boundary • Since plate moves, but plume does not, it allows us to measure rate of plate motion. ...
Notes: tectonics
... order of magnitude smaller than the ridge push force. These driving forces must be counterbalanced by resisting forces to obtain a zero acceleration of the plate. The most likely resisting force is drag by the mantle below the lithosphere and around the slab, and frictional resistance at the contact ...
... order of magnitude smaller than the ridge push force. These driving forces must be counterbalanced by resisting forces to obtain a zero acceleration of the plate. The most likely resisting force is drag by the mantle below the lithosphere and around the slab, and frictional resistance at the contact ...
Lab plate tectonics
... There are three plates the effect the geography of the northwest United States. Use the diagram below to identify the following plate tectonic and landform features of the Pacific Northwest. A, B, and C refer to the plates. #1-7 are the features created by the movement of the plates. ...
... There are three plates the effect the geography of the northwest United States. Use the diagram below to identify the following plate tectonic and landform features of the Pacific Northwest. A, B, and C refer to the plates. #1-7 are the features created by the movement of the plates. ...
Plate tectonics
... older rocks were farther from the ridge center and cooled as they moved outward. ...
... older rocks were farther from the ridge center and cooled as they moved outward. ...
Test Review: Geosphere Part 1: Lithosphere, Earthquakes
... made of hot ______silica rocks ___________. You could also call this magma. 4. The outer core has (more/less) pressure then the inner core. Therefore, the outer core is (liquid/solid) and the inner core is (liquid/solid). The core is made up of ____iron_________ & _________nickel________. 5. The mov ...
... made of hot ______silica rocks ___________. You could also call this magma. 4. The outer core has (more/less) pressure then the inner core. Therefore, the outer core is (liquid/solid) and the inner core is (liquid/solid). The core is made up of ____iron_________ & _________nickel________. 5. The mov ...
The Sea Floor
... stages in their life cycle. Some of the larval stages feed on algae that grow on the lower surface of sea ice. One of the factors that determines the annual abundance of krill is the extent of sea ice in winter. Global ...
... stages in their life cycle. Some of the larval stages feed on algae that grow on the lower surface of sea ice. One of the factors that determines the annual abundance of krill is the extent of sea ice in winter. Global ...
Plate Boundaries and Faults Notes
... a) Plate Boundaries – are the point where two tectonic plates meet and are divided into three types – convergent, divergent, and transform. Plates are classified into one of the three types based on the movement that they have. Remember: convection currents are the engines that drive plate movement. ...
... a) Plate Boundaries – are the point where two tectonic plates meet and are divided into three types – convergent, divergent, and transform. Plates are classified into one of the three types based on the movement that they have. Remember: convection currents are the engines that drive plate movement. ...
Plate Tectonics Webquest (9/16) - Liberty Union High School District
... 6. What happens are convergent boundaries? These events are linked to the types of plates (_________________ or ________________) that are interacting. 7. At some convergent boundaries, an oceanic plate collides with a continental plate. What happens between the plates and why? ...
... 6. What happens are convergent boundaries? These events are linked to the types of plates (_________________ or ________________) that are interacting. 7. At some convergent boundaries, an oceanic plate collides with a continental plate. What happens between the plates and why? ...
Get the GIST on the Theories of Continental Drift and Seafloor
... on pages 108-109. Write the types of boundaries, then study the illustrations at the bottom of the pages. a) ____________________ boundaries- plates move away from each other. b) ____________________boundaries- edges of plates bump into each other. c) ____________________boundaries- sides of plates ...
... on pages 108-109. Write the types of boundaries, then study the illustrations at the bottom of the pages. a) ____________________ boundaries- plates move away from each other. b) ____________________boundaries- edges of plates bump into each other. c) ____________________boundaries- sides of plates ...
a. competition b. mutualism c. commensalism d. parasitism
... • If you did not turn it in, please turn it in at some point. HOWEVER, now that we have gone over it, I will be much more strict on my grading..so make sure you have EVERY answer CORRECT! ...
... • If you did not turn it in, please turn it in at some point. HOWEVER, now that we have gone over it, I will be much more strict on my grading..so make sure you have EVERY answer CORRECT! ...
Lecture 11
... 1. List the three types of tectonic plate boundaries! 2. Describe the processes occurring at ocean-continent and ocean-ocean convergent boundaries! 3. Describe the origin of the Himalayas! 4. Describe the San Andreas transform fault! ...
... 1. List the three types of tectonic plate boundaries! 2. Describe the processes occurring at ocean-continent and ocean-ocean convergent boundaries! 3. Describe the origin of the Himalayas! 4. Describe the San Andreas transform fault! ...
ch 7 study guide Answers
... A mid-ocean ridge is a mountain chain found on the ocean floor. It is formed at a divergent boundary where plates are separating. The magma is pushing up through the plate boundary causing the plates to move away from each other. The youngest rock is found at the mid-ocean ridge. The rock get older ...
... A mid-ocean ridge is a mountain chain found on the ocean floor. It is formed at a divergent boundary where plates are separating. The magma is pushing up through the plate boundary causing the plates to move away from each other. The youngest rock is found at the mid-ocean ridge. The rock get older ...
Oceanic trench
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries, along which lithospheric plates move towards each other at rates that vary from a few mm to over ten cm per year. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Trenches are generally parallel to a volcanic island arc, and about 200 km (120 mi) from a volcanic arc. Oceanic trenches typically extend 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor. The greatest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench, at a depth of 11,034 m (36,201 ft) below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km2/yr.