Earth`s Crust
... Divergent Plate boundaries • These boundaries exist where plates are spreading apart. • As plates spread magma wells up from the mantle. • New crust is formed. • Lots of volcanic activity and earthquakes. ...
... Divergent Plate boundaries • These boundaries exist where plates are spreading apart. • As plates spread magma wells up from the mantle. • New crust is formed. • Lots of volcanic activity and earthquakes. ...
2How Is Continental Movement Explained by Plate Tectonics?
... map. Where are most of these boundaries located? The top picture on the right shows how plates move at a spreading boundary and what the result can be. The Great Rift Valley in Africa is one place where new crust is being added to the earth's surface. As the crust builds up, it forms a wider and dee ...
... map. Where are most of these boundaries located? The top picture on the right shows how plates move at a spreading boundary and what the result can be. The Great Rift Valley in Africa is one place where new crust is being added to the earth's surface. As the crust builds up, it forms a wider and dee ...
Physical Earth Science Semester 1 Mid
... 8. A succession of ocean waves set in motion by a submarine earthquake is called a(n) _____. tsunami 9. Explain how minerals form. Minerals form by crystallization from magma, precipitation from water, changes in pressure and temperature, and formation from hydrothermal solutions. 10. What layers of ...
... 8. A succession of ocean waves set in motion by a submarine earthquake is called a(n) _____. tsunami 9. Explain how minerals form. Minerals form by crystallization from magma, precipitation from water, changes in pressure and temperature, and formation from hydrothermal solutions. 10. What layers of ...
Earth Crust in Motion Vocbaulary (Aca).doc
... Divergent Boundary – a plate boundary where two plates move away from each other Convergent Boundary – a plate boundary where two plates move toward each other Transform Boundary – a plate boundary where two plates move past each other in opposite directions Continental Drift – the hypothesis that a ...
... Divergent Boundary – a plate boundary where two plates move away from each other Convergent Boundary – a plate boundary where two plates move toward each other Transform Boundary – a plate boundary where two plates move past each other in opposite directions Continental Drift – the hypothesis that a ...
Chapter 13: PELAGIC COMMUNITIES
... Chondrichthyes—the group that includes sharks, skates, rays, and chimaeras—have a skeleton made of a tough, elastic tissue called cartilage. Though there is some calcification in the cartilaginous skeleton, true bone is entirely absent from this group. These fish have jaws with teeth, paired fins, ...
... Chondrichthyes—the group that includes sharks, skates, rays, and chimaeras—have a skeleton made of a tough, elastic tissue called cartilage. Though there is some calcification in the cartilaginous skeleton, true bone is entirely absent from this group. These fish have jaws with teeth, paired fins, ...
hydrothermal vents and chemosynthesis
... Hydrothermal vents were discovered in 1977 in the Pacific Ocean. Since then, they have been found in the Atlantic, Indian, and most recently, the Arctic Ocean. Most occur at an average depth of about 2,100 meters (7,000 ft) in areas of seafloor spreading along the Mid-Ocean Ridge system — the underw ...
... Hydrothermal vents were discovered in 1977 in the Pacific Ocean. Since then, they have been found in the Atlantic, Indian, and most recently, the Arctic Ocean. Most occur at an average depth of about 2,100 meters (7,000 ft) in areas of seafloor spreading along the Mid-Ocean Ridge system — the underw ...
Catastrophic Events
... Precipitation, thunderstorms, tornadoes, and hurricanes often develop in low-pressure weather conditions (or when warm and cold air masses meet). The path of a hurricane can be tracked, but it is not always easy to predict. The sun heats the earth and its oceans unevenly. Temperature differences aff ...
... Precipitation, thunderstorms, tornadoes, and hurricanes often develop in low-pressure weather conditions (or when warm and cold air masses meet). The path of a hurricane can be tracked, but it is not always easy to predict. The sun heats the earth and its oceans unevenly. Temperature differences aff ...
Plate Boundary
... • Divergent : where two plates spread apart at a ridge or rift valley. oceanic >continental ...
... • Divergent : where two plates spread apart at a ridge or rift valley. oceanic >continental ...
Ocean - International Year of Planet Earth
... What Earth processes affect the formation and evolution of continental margins, and what benefits and threats do continental margins offer to mankind? The relatively steep slopes of the continental margins, which extend vertically over several kilometres, can affect the directions of ocean currents ...
... What Earth processes affect the formation and evolution of continental margins, and what benefits and threats do continental margins offer to mankind? The relatively steep slopes of the continental margins, which extend vertically over several kilometres, can affect the directions of ocean currents ...
Theory of Plate Tectonics
... Earthquakes and volcanic activity occur primarily at the location of plate boundaries. – Plate boundaries are where 2 plates are pushing toward, pulling away, or sliding past each other. The strain and friction causes fractures in the earth, where earthquakes occur and where the fractures allow mol ...
... Earthquakes and volcanic activity occur primarily at the location of plate boundaries. – Plate boundaries are where 2 plates are pushing toward, pulling away, or sliding past each other. The strain and friction causes fractures in the earth, where earthquakes occur and where the fractures allow mol ...
Powerpoint - Fort Bend ISD
... There are only two rift valleys on Earth within continental crust. -the Baikal Rift Valley and the East African Rift. - Tectonic activity splits continental crust much in the same way it does along mid-ocean ridges. As the sides of a rift valley move farther apart, the floor sinks lower. ...
... There are only two rift valleys on Earth within continental crust. -the Baikal Rift Valley and the East African Rift. - Tectonic activity splits continental crust much in the same way it does along mid-ocean ridges. As the sides of a rift valley move farther apart, the floor sinks lower. ...
Earthquakes
... Gap Hypothesis-states that sections at active faults that have had relatively few earthquakes are likely to have strong earthquakes in the future Seismic Gap-an area along a fault where relatively few earthquakes have occurred Moho-a place within the earth where the speed of seismic waves increases ...
... Gap Hypothesis-states that sections at active faults that have had relatively few earthquakes are likely to have strong earthquakes in the future Seismic Gap-an area along a fault where relatively few earthquakes have occurred Moho-a place within the earth where the speed of seismic waves increases ...
Mechanisms of Plate Motion
... Causes of Plate Motions -Scientists generally agree that convection currents in the mantle provide the basic driving force for plate motion. Convection Flow – the hot matter goes up as it is less dense and lighter in weight and the cold solid matter comes down as it is heavier and more dense. The s ...
... Causes of Plate Motions -Scientists generally agree that convection currents in the mantle provide the basic driving force for plate motion. Convection Flow – the hot matter goes up as it is less dense and lighter in weight and the cold solid matter comes down as it is heavier and more dense. The s ...
Tsunami - LSJS-Year-6-wiki
... A Tsunami is a set of huge waves of water that are usually caused by earthquakes or volcanic eruptions. This happens when an underwater earthquake pushes the water upwards and creates a series of long waves that travel at approximately eight hundred kilometers per hour towards the seashore. The Tsun ...
... A Tsunami is a set of huge waves of water that are usually caused by earthquakes or volcanic eruptions. This happens when an underwater earthquake pushes the water upwards and creates a series of long waves that travel at approximately eight hundred kilometers per hour towards the seashore. The Tsun ...
Oceanographic Autonomous Observations
... measurements from 1000 or 2000 m to the surface each 5 to 10 days. Data direct to Internet. ...
... measurements from 1000 or 2000 m to the surface each 5 to 10 days. Data direct to Internet. ...
Lecture C - Ocean Crust and Ophiolites
... Ocean Crust vs Ophiolite Distribution of European Ophiolites Example of an ophiolite section The Troodos and Semail Ophiolites ...
... Ocean Crust vs Ophiolite Distribution of European Ophiolites Example of an ophiolite section The Troodos and Semail Ophiolites ...
REINFORCEMENT
... You know from your textbook how sea-floor spreading changes the ocean floor. You know that magma rises at the mid-ocean ridge and flows away from the ridge. In general, this activity is hid den beneath the ocean's water. But there is a place where sea-floor spreading can be seen on land. ...
... You know from your textbook how sea-floor spreading changes the ocean floor. You know that magma rises at the mid-ocean ridge and flows away from the ridge. In general, this activity is hid den beneath the ocean's water. But there is a place where sea-floor spreading can be seen on land. ...
Plate Tectonics
... Fossils of continents meshed in key areas People did not go along with theory, because they could not figure out what force would be strong enough to move a continent. Continents would crack if pushed through ocean Gravity would not make them go “downhill” Spin of the Earth was not fast enough Wegen ...
... Fossils of continents meshed in key areas People did not go along with theory, because they could not figure out what force would be strong enough to move a continent. Continents would crack if pushed through ocean Gravity would not make them go “downhill” Spin of the Earth was not fast enough Wegen ...
Magnitude 7.0 Earthquake Near Loyalty Islands Thursday
... star on Map B shows the location of the M7.0 January 13 earthquake. This major earthquake occurred about 118 km north-northeast of Tadine, Loyalty Islands, New Caledonia (Map B). The Northern New Hebrides Trench has been the site of several major earthquakes recently. Two M7.3 events have occurred o ...
... star on Map B shows the location of the M7.0 January 13 earthquake. This major earthquake occurred about 118 km north-northeast of Tadine, Loyalty Islands, New Caledonia (Map B). The Northern New Hebrides Trench has been the site of several major earthquakes recently. Two M7.3 events have occurred o ...
Slide 1
... 2. Liquefaction - water-logged soil can behave as a liquid when seismic waves interact with; building/bridge collapses ...
... 2. Liquefaction - water-logged soil can behave as a liquid when seismic waves interact with; building/bridge collapses ...
Why is the drainage network of Southern Africa so asymmetrical?
... The major drainages of southern Africa as they are today Breakup was caused by plumes of hot material (top) and as they were during the Cretaceous Period about 100 million years ago (above). that rose from deep in the Earth’s mantle and then spread sideways like a mushroom beneath the cooler upper m ...
... The major drainages of southern Africa as they are today Breakup was caused by plumes of hot material (top) and as they were during the Cretaceous Period about 100 million years ago (above). that rose from deep in the Earth’s mantle and then spread sideways like a mushroom beneath the cooler upper m ...
Chapter 3 Notes - Todd S. Thuma Homepage
... convergence downstream of subduction a) Denser crust moves under easily melted (less dense) rock rises b) H2O, gases, rock erupt as island arcs or mountains b. Oceanic-continental convergence 1) Oceanic crusts move below continents 2) deep trenches offshore of N. and S. America c. Oceanic-oceani ...
... convergence downstream of subduction a) Denser crust moves under easily melted (less dense) rock rises b) H2O, gases, rock erupt as island arcs or mountains b. Oceanic-continental convergence 1) Oceanic crusts move below continents 2) deep trenches offshore of N. and S. America c. Oceanic-oceani ...
Venus
... – transparent to opVcal light but absorb a lot of infrared light (heat). • Sun emits light primarily in visible part of spectrum. This gets absorbed or reflected by planet. • The planet emits light itself – in infrared. Carbon dioxide and water vapor absorb infrared and are “transparent” ...
... – transparent to opVcal light but absorb a lot of infrared light (heat). • Sun emits light primarily in visible part of spectrum. This gets absorbed or reflected by planet. • The planet emits light itself – in infrared. Carbon dioxide and water vapor absorb infrared and are “transparent” ...
GS 106 Final Exam Study Guide Origins of Earth/first week What are
... How does air pressure change with increasing latitude? What does air do (both vertically and with winds) at low pressure and high pressure zones? How does the ocean regulate temperature? What type of weather is associated with high and low pressure? How does the Coriolis Effect deflection winds and ...
... How does air pressure change with increasing latitude? What does air do (both vertically and with winds) at low pressure and high pressure zones? How does the ocean regulate temperature? What type of weather is associated with high and low pressure? How does the Coriolis Effect deflection winds and ...
Natural Disasters ppt
... Both P and S waves refract or reflect at points where layers of differing physical properties meet. They also reduce speed when moving through hotter material. These changes in direction and velocity are the means of locating discontinuities. Seismic discontinuities (a surface at which velociti ...
... Both P and S waves refract or reflect at points where layers of differing physical properties meet. They also reduce speed when moving through hotter material. These changes in direction and velocity are the means of locating discontinuities. Seismic discontinuities (a surface at which velociti ...
Physical oceanography
Physical oceanography is the study of physical conditions and physical processes within the ocean, especially the motions and physical properties of ocean waters.Physical oceanography is one of several sub-domains into which oceanography is divided. Others include biological, chemical and geological oceanographies.