Gravity. Q. Print; Share; Edit; Delete; Host a game. SURVEY . Created by. The Annenberg Learner Dynamic Earth Interactive reviews the structure of the earth, the theory of plate tectonics, and the features that form as a result of processes associated with plate tectonics. mountain. See more. Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. a divergent plate boundary on continental crust. Christi_Scarbrough4. The continents are still moving today. You can see how it fits like a puzzle piece just southwest of Madagascar, which also shows you the direction that the plate is moving. rift. Rift valley. Due to the continuous shifting of tectonic plates… Tectonic basins and rift valleys, landforms characterized by relatively steep, mountainous sides and flat floors. divergent boundary. This is a list of tectonic plates on Earth's surface. Edit. Plate tectonics was a suitable explanation for seafloor spreading, and the acceptance of plate tectonics by the majority of geologists resulted in a major paradigm shift in geological thinking. transform boundary. Mid-Atlantic Ridge. by p_gaebler_71637. oceanic plates/crust made up of basalt. The Himalayan _____ range was formed from the collision of the Indian continental plate colliding into the Eurasian continental plate. Plate Tectonics DRAFT. ), a theory that was formulated in the late 1960s by American, Canadian, and British geophysicists to broaden and synthesize the notion of continental drift and the seafloor spreading hypothesis (qq.v. The lithosphere overlies a softer layer of molten rock called the asthenosphere. a large rift usually remains and is never filled in most likely the country of Mexico will separate from the continental United States volcanoes can occur scientists expect entire continents to fall into the Earth Write. The site has a glossary to help students with vocabulary. Plate tectonics theory. Flashcards. STUDY. The discovery of rift zones led to the understanding of how continental drift could occur on our planet that had been proposed by Alfred Wegener earlier in the 20th Century. Grades: 7 th, 8 th, 9 th, 10 th. Plate Tectonics: BIG UNIT BUNDLE provides the teacher with many games and activities that makes teaching plate tectonics more enjoyable. Learn. 433 views . Match. Grades: 5 th, 6 th, 7 th, 8 th, 9 th. It is estimated that along Earth's mid-ocean ridges every year 2.7 km 2 (1.0 sq mi) of new seafloor is formed by this process. The East African Rift System (EARS) is one the geologic wonders of the world, a place where the earth's tectonic forces are presently trying to create new plates by splitting apart old ones. Plate tectonics map from NASA. Ungraded . According to the theory, Earth has a rigid outer layer, known as the lithosphere, which is typically about 60 miles (100 kilometers) thick. 0. plate tectonics:-lithosphere is divided into a number of plates that move relative to one another-an ongoing process in which sections (plates) move tectonic plate: -a large, fairly rigid block into which the lithosphere is broken -approximately 12 large plates and a few smaller ones. Subjects: Science, Earth Sciences, General Science. This quiz is incomplete! The _____-_____ _____ is an example of a divergent boundary. Map showing plate boundaries where Great Rift Valley is splitting African continent in Kenya. Plate tectonics definition, a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century. This process is called subduction. Edit. At a _____ plate boundary new crust is created as two or more plates pull away from each other. Key Concepts: Terms in this set (45) divergent . 3 Answers. Plate tectonics is a unifying theory; it explains nearly all of the major geologic processes on Earth. The sinking oceanic lithosphere drags the rest of the tectonic plate and this is the main cause of plate motion. In simple terms, a rift can be thought of as a fracture in the earth's surface that widens over time, or more technically, as an elongate basin bounded by opposed steeply dipping normal faults. The main driving force of plate tectonics is gravity. For those who are not aware, the mid-ocean ridge is an underwater mountain range. Plate Tectonics. oceanic ridges. Granitic. Tech & Science Africa Plate tectonics Tectonic plates Geology. The plates’ edges can be drawn by connecting the dots that mark earthquakes’ epicenters. 0. convergent boundary. the scientist who originally came up with continental drift theory. Report an issue . Plate tectonics. Practice. Areas where plates are colliding form convergent boundaries, and areas where plates are expanding create divergent boundaries. Note that the island of Madagascar split off from the African continent about 65 million years ago. the modern update to continental drift theory; explains how plates moves and includes motion of oceanic crust. Test. Alfred Wegner . The steep sides are created by displacement on faults such that the valley floor moves down relative to the surrounding margins, or, conversely, the margins move up relative to the The theory that the earth's crust is divided into plates that move. - Plate Tectonics Differentiation Station- Plate Tectonics Tic-Tac-Tr. My favorite way to use this is to give each group of students a whiteboard to . A place where two plates slip past each other, moving in opposite directions, is known as . A lot of the mid-ocean ridges... Read More. Movement of the plates over Earth’s surface is termed plate tectonics. This bundle contains all your teaching needs for a plate tectonics unit & You save money! subduction zone. But every now and again something dramatic happens and leads to renewed questions about the African continent splitting in two. At continental spreading boundaries, a continental plate is in the progress of being ripped apart along a so-called rift, a set of parallel fractures that form a graben. The theory, which solidified in the 1960s, transformed the earth sciences by explaining many phenomena, including mountain building events, … Types of plate boundaries-divergent-convergent-transform. M. Klose, Content Writer Answered: Aug 29, 2018. At a _____ plate boundary new crust is created as two or more plates pull away from each other. Although many studies have examined plate boundary dynamics and rift linkage, there is so much complexity left to investigate. Plate tectonic theory is based on an understanding of the Earth's internal structure, the different types of tectonic plates and plate boundaries, and the driving forces of plate movements. Plate tectonics is the fundamental mechanism that drives geological processes in the geosphere. Scientists determine that five to ten million years from now, a new ocean will form in Africa's Afar region. answer choices . Science. Plate Tectonics - Formidable Forces. oceanic plates/crust made up of granite. Plate tectonics is a good example of this. 424 views . Played 136 times. The discovery of rift zones also led to the Theory of Plate Tectonics. Plate tectonics probably began at a global scale during the Mesoarchean (c. 2.9–3.0 Ga), with firm evidence for subduction in older geological terranes accounted for by isolated plate tectonic ‘microcells’ that initiated at the heads of mantle plumes. Where does the mid-ocean ridge occur along? convergent boundary. Subjects: Science, Earth Sciences, General Science. If the process continues long enough and the continental crust is effectively separated, the continental rift … Look at the picture "Plate Tectonic Features". According to plate tectonics, the Earth’s crust is comprised of over a dozen rigid slabs, or plates. Basaltic. Play. As these plates move over the Earth’s fluid mantle, they interact with each other, forming plate boundaries or zones. Oceans _____ can be created or grow wider where plates diverge or pull apart. The plates are always moving and interacting in a process called plate tectonics. 1 Answer. These rift zones were not discovered until the middle of the last century. divergent. Plate tectonics involves the formation, lateral movement, interaction, and destruction of the lithospheric plates. Plate Tectonics. 8th grade . In this 3D lesson plan, learn about the general distribution of fold mountains, volcanoes, and earthquakes, and how their distribution is related to movements at plate boundaries Theory of Plate Tectonics. ). This forms due to the plate tectonics that are both pulling apart from each other. Since its early inception in the 1950s and 1960s, geologists have been guided by this revolutionary perception of the world. Finish Editing. The lithosphere is broken up into about a dozen large plates and several small ones. Spell. rift valley. Rift valley. The concept of plate tectonics was formulated in the 1960s. Solo Practice. Save. Homework . A single plate can be made of all oceanic lithosphere or all continental lithosphere, but nearly all plates are made of a combination of both. Live Game Live. Mid-Ocean Ridge. PLAY. To play this quiz, please finish editing it. Types: PowerPoint Presentations, Games. 6 months ago. Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements. Delete Quiz. Our students love games and Plate Tectonics Jeopardy is an amazing tool to use as a fun review game or class incentive. Much of Earth's internal heat is relieved through this process and many of Earth's large structural and topographic features are consequently formed. Tectonics embraces as its chief working principle the concept of plate tectonics (q.v. 30 seconds . Share practice link. 69% average accuracy. The theory of plate tectonics states the surface layer of the Earth is broken into a network of solid, relatively brittle plates. mountain range

deep-ocean trench

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mid-ocean ridge

rift valley

mountain range

Tags: Question 10 . If a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle. What is number nine? Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth’s lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago. PLAY. rift. Also included in: Science Jeopardy Review Games - Growing Bundle. Some of the most dynamic sites of tectonic activity are seafloor spreading zones and giant rift valleys. When plate tectonics cause cracks to form, _____. The _____-_____ _____ is an example of a divergent boundary. Whether it be how directional changes in extension may affect rift linkage and microplate development (Zwaan et al., 2016), or examining the effect of melting processes on suspected microplates in magmatically active regions (e.g. This quiz is incomplete! STUDY.

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