The Layer`s Of The Earth!
... Sometimes scientists say that the crust has another layer called the lithosphere which rests on the very bottom of the crust and another one that rests on the top portion of the mantle called the ...
... Sometimes scientists say that the crust has another layer called the lithosphere which rests on the very bottom of the crust and another one that rests on the top portion of the mantle called the ...
Place the two squares of fruit roll up
... (because they are dense and will sink a bit into the asthenosphere) as you slowly push them apart about ½ of a centimeter. ...
... (because they are dense and will sink a bit into the asthenosphere) as you slowly push them apart about ½ of a centimeter. ...
U4-T2.1-Evolution of the Plate Tectonic Theory
... 2) Alfred Wegener In 1915, Wegener rattled the scientific community again when he published articles concerning continental drift. He suggested a super continent called Pangaea existed approximately 200 million years ago and since gradually split apart. (evidence was given, but no mechanism prov ...
... 2) Alfred Wegener In 1915, Wegener rattled the scientific community again when he published articles concerning continental drift. He suggested a super continent called Pangaea existed approximately 200 million years ago and since gradually split apart. (evidence was given, but no mechanism prov ...
Earth`s Structure - hrsbstaff.ednet.ns.ca
... The internal layers were produced as different materials rose or sank so that the least dense materials were at the surface and the most dense materials were in the center of the planet. Therefore gravity is the force behind Earth’s differentiated system. ...
... The internal layers were produced as different materials rose or sank so that the least dense materials were at the surface and the most dense materials were in the center of the planet. Therefore gravity is the force behind Earth’s differentiated system. ...
Mesozoic Plate Tectonics
... shear wave velocity beneath New Mexico where hot material is trapped beneath the North American plate. The hot material is causing rifting to begin at the Rio Grande Rift. Supercontinent Breakup ...
... shear wave velocity beneath New Mexico where hot material is trapped beneath the North American plate. The hot material is causing rifting to begin at the Rio Grande Rift. Supercontinent Breakup ...
presentation source
... gradually being lost through the earth’s surface. • Sources of Thermal Energy – Acquired during planetary accretion (“original” heat). – Decay of radioactive isotopes. ...
... gradually being lost through the earth’s surface. • Sources of Thermal Energy – Acquired during planetary accretion (“original” heat). – Decay of radioactive isotopes. ...
Crustal Scale Interpretation
... such as western South America. We can this subduction erosion. It erodes the continental crust and returns some of the crust into the mantle. ...
... such as western South America. We can this subduction erosion. It erodes the continental crust and returns some of the crust into the mantle. ...
File
... must be to the left of the geotherm (the earth’s temperature with depth). Note that this occurs only in the outer core and asthenosphere. It is even more interesting to consider that the melting curve for rock in this figure is for a wet asthenosphere. If the asthenosphere were dry, the melting temp ...
... must be to the left of the geotherm (the earth’s temperature with depth). Note that this occurs only in the outer core and asthenosphere. It is even more interesting to consider that the melting curve for rock in this figure is for a wet asthenosphere. If the asthenosphere were dry, the melting temp ...
YOU Crazy Earth
... 200 million years ago: Pangaea splits up into ________________ and _________________ 135 million years ago: Gondwana splintered (broke apart) further into the ___________________________ landmass and the ______________________________ landmass. 65 million years ago: __________________ and ____ ...
... 200 million years ago: Pangaea splits up into ________________ and _________________ 135 million years ago: Gondwana splintered (broke apart) further into the ___________________________ landmass and the ______________________________ landmass. 65 million years ago: __________________ and ____ ...
SEES Midterm
... After school review session on Friday, 1/22 in room H-3; TBA, if possible, Tuesday of midterm week. I may be available after school or during LRC on other days; make an appointment w/ me. Other questions of your own? __Where? Room 123 __________________________________________________________ __ ...
... After school review session on Friday, 1/22 in room H-3; TBA, if possible, Tuesday of midterm week. I may be available after school or during LRC on other days; make an appointment w/ me. Other questions of your own? __Where? Room 123 __________________________________________________________ __ ...
The Earth An Intimate History R.Fortey August 18
... Plates either bump into each other, and when they collide, their edges buckle and there is uplift when one plate subducts under the other. The process is slow but not continuous but proceeding by small jerks, which are of very short duration (in geological terms) and felt as earthquakes. Or they spl ...
... Plates either bump into each other, and when they collide, their edges buckle and there is uplift when one plate subducts under the other. The process is slow but not continuous but proceeding by small jerks, which are of very short duration (in geological terms) and felt as earthquakes. Or they spl ...
tongariro national park
... conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest. Perhaps the best known of the divergent boundaries is the Mid-Atlantic Ridge. This submerged mountain range, which extends from the Arctic Ocean to beyon ...
... conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest. Perhaps the best known of the divergent boundaries is the Mid-Atlantic Ridge. This submerged mountain range, which extends from the Arctic Ocean to beyon ...
Earth Layers PPT
... • How far have scientists drilled into the earth? • 7.6 miles – Only 0.2% of the distance to the earth’s core ...
... • How far have scientists drilled into the earth? • 7.6 miles – Only 0.2% of the distance to the earth’s core ...
The Earth resources complete
... The Earth’s Resources • The Earth's crust, oceans and atmosphere are the ultimate source of minerals and resources — we can get everything we need from them. • The Earth’s resources: • Metals like gold, silver copper e.g. and iron e.g. can be mined from the Earth's crust. • We can get salt from the ...
... The Earth’s Resources • The Earth's crust, oceans and atmosphere are the ultimate source of minerals and resources — we can get everything we need from them. • The Earth’s resources: • Metals like gold, silver copper e.g. and iron e.g. can be mined from the Earth's crust. • We can get salt from the ...
Pangaea and Seafloor Spreading Notes
... Objective1. Students will explain the theory of Continental Drift and Pangaea. 2. Students will explain seafloor spreading and describe the evidence used to support it. III. Pangaea and Seafloor Spreading A. Pangaea is the idea put forth by Wegener that, once an incredibly long time ago, all the con ...
... Objective1. Students will explain the theory of Continental Drift and Pangaea. 2. Students will explain seafloor spreading and describe the evidence used to support it. III. Pangaea and Seafloor Spreading A. Pangaea is the idea put forth by Wegener that, once an incredibly long time ago, all the con ...
TOP 50 ASTRONOMY FACTS
... lithosphere that the tectonic plates are found. 44. The asthenosphere is the portion of the earth’s mantle that is under the lithosphere. 45. Convection is the movement of heat through liquid. 46. Convection causes the asthenosphere to move, which then causes friction between it and the lithosphere. ...
... lithosphere that the tectonic plates are found. 44. The asthenosphere is the portion of the earth’s mantle that is under the lithosphere. 45. Convection is the movement of heat through liquid. 46. Convection causes the asthenosphere to move, which then causes friction between it and the lithosphere. ...
Appendix A-4_Feb_6.pmd - Education and Early Childhood
... Later in life you are selected to fight for your country in World War I and although you are wounded twice you survive to write down your ideas and publish a book so that others can read about your theory. Most of your friends, including educated members of your own family, still think that your ide ...
... Later in life you are selected to fight for your country in World War I and although you are wounded twice you survive to write down your ideas and publish a book so that others can read about your theory. Most of your friends, including educated members of your own family, still think that your ide ...
Ocean Bathymetry and Plate Tectonics
... Model of global plate tectonics includes three types of plate boundaries that shape the seafloor bathymetry. Seafloor spreading creates an axial rift and corrugated hills. Spreading ridges are offset by transform faults where some of the most destructive earthquakes occur. Subduction of the cooled p ...
... Model of global plate tectonics includes three types of plate boundaries that shape the seafloor bathymetry. Seafloor spreading creates an axial rift and corrugated hills. Spreading ridges are offset by transform faults where some of the most destructive earthquakes occur. Subduction of the cooled p ...
Chapter 3 - COSEE Florida
... Deep areas like trenches exert lower gravitational pull, higher areas such as seamounts exert more gravitational pull Differences affect sea level that can be detected by satellite Seismic reflection profiles looks at ocean structure beneath sea floor ...
... Deep areas like trenches exert lower gravitational pull, higher areas such as seamounts exert more gravitational pull Differences affect sea level that can be detected by satellite Seismic reflection profiles looks at ocean structure beneath sea floor ...
Concept Review
... a. the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle b. the solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it ...
... a. the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle b. the solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it ...
Natural Disasters and Sweatshops
... • It is when an earthquake occurs under the ocean floor, part of the floor moves • This shift produces a huge wave of great destructive power • Underwater volcanic eruptions and coastal landslide can also cause tsunamis • Some waves have reached heights of 100 feet ...
... • It is when an earthquake occurs under the ocean floor, part of the floor moves • This shift produces a huge wave of great destructive power • Underwater volcanic eruptions and coastal landslide can also cause tsunamis • Some waves have reached heights of 100 feet ...
Sea-Floor Spreading Power Point
... In the mid-1900’s, scientists realized that the ocean floor had many mountain ranges similar to those on the continents. ...
... In the mid-1900’s, scientists realized that the ocean floor had many mountain ranges similar to those on the continents. ...
Causes of Volcanoes
... Subduction volcanoes occur where plates move towards each other and collide. One plate, usually the one that is heavier or more dense, is forced to dive (subduct) beneath the other into the mantle, causing it to heat up and melt. This melted material pushes its way back to the earth’s surface under ...
... Subduction volcanoes occur where plates move towards each other and collide. One plate, usually the one that is heavier or more dense, is forced to dive (subduct) beneath the other into the mantle, causing it to heat up and melt. This melted material pushes its way back to the earth’s surface under ...
Plate tectonics
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός ""pertaining to building"") is a scientific theory that describes the large-scale motion of Earth's lithosphere. This theoretical model builds on the concept of continental drift which was developed during the first few decades of the 20th century. The geoscientific community accepted the theory after the concepts of seafloor spreading were later developed in the late 1950s and early 1960s.The lithosphere, which is the rigid outermost shell of a planet (on Earth, the crust and upper mantle), is broken up into tectonic plates. On Earth, there are seven or eight major plates (depending on how they are defined) and many minor plates. Where plates meet, their relative motion determines the type of boundary; convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries. The lateral relative movement of the plates typically varies from zero to 100 mm annually.Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction carries plates into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading. In this way, the total surface of the globe remains the same. This prediction of plate tectonics is also referred to as the conveyor belt principle. Earlier theories (that still have some supporters) propose gradual shrinking (contraction) or gradual expansion of the globe.Tectonic plates are able to move because the Earth's lithosphere has greater strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection. Plate movement is thought to be driven by a combination of the motion of the seafloor away from the spreading ridge (due to variations in topography and density of the crust, which result in differences in gravitational forces) and drag, with downward suction, at the subduction zones. Another explanation lies in the different forces generated by the rotation of the globe and the tidal forces of the Sun and Moon. The relative importance of each of these factors and their relationship to each other is unclear, and still the subject of much debate.