what is a trench in the ocean

lacking the physical presence of a person. Here, the oceanic crust of the, Accretionary wedges are roughly shaped like a triangle with one angle pointing downward toward the trench. very thin, translucent paper often used for wrapping delicate items. Did you ever wonder what happened if you detonated a nuclear bomb in the Marianas Trench? Kuril-Kamchatka Trench in the Pacific Ocean is a trap for microplastics. up-down direction, or at a right angle to Earth and the horizon. The Mariana Trench is a deep oceanic trench located in the Pacific Ocean. océan. Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. We neither! The unarmored portions of their sides were protected by 15-millimeter (0.6 in) iron plates. Also called an accretionary prism. They also are the deepest parts of the ocean floor. Any interactives on this page can only be played while you are visiting our website. French angelfish are foragers and eat a variety of sessile invertebrates and plants, including sponges, algae, soft corals, tunicates, and others. The largest of these trenches are in the Pacific Ocean, where numerous active subduction zones have been identified, but smaller trenches can also be seen in the Indian and Atlantic Ocean. marine algae. thick layer of Earth that sits beneath continents. base level for measuring elevations. rock formed from fragments of other rocks or the remains of plants or animals. organism on the food chain that can produce its own energy and nutrients. The sediments near a mid ocean ridge on the youngest sedimentary layer. Today, the Challenger Deep is the deepest part of the Mariana trench, while the Horizon Deep is the deepest part of the Tonga trench. Oceanic trenches, as ocean trenches are sometimes called, are deep depressions in the Earth's crust, and they comprise the deepest part of the ocean. chemical compound that is the basic ingredient of natural gas. Also called the geosphere. Deep-sea trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to 36,000 feet). animal that is hunted and eaten by other animals. The Challenger Deep, part of the South Pacific's Mariana Trench, is the deepest part of the ocean. This place where the denser plate subducts is called a subduction zone. region at Earth's extreme north, encompassed by the Arctic Circle. Use * for blank tiles (max 2) Advanced Search Advanced Search: Use * for blank spaces Advanced Search: Advanced Word Finder: See Also in English. Also called a collision zone. long, thin, fleshy growth from the head of an anglerfish. process by which some microbes turn carbon dioxide and water into carbohydrates using energy obtained from inorganic chemical reactions. French angelfish typically forage in pairs. The deepest location is called Diamantina Deep, located about 1 125 km West-South-West of Perth, Western Australia, at 35°S and 104°E. the ability to see or be seen with the unaided eye. The Rights Holder for media is the person or group credited. the sudden shaking of Earth's crust caused by the release of energy along fault lines or from volcanic activity. v.tr. The Earth’s crust is broken up into a series of massive sections called plates. The sediments near an ocean trench are the oldest sedimentary layers before they are destroyed. mass of sediments scraped off from oceanic crust during subduction and piled up at the edge of the overriding plate. I think that there are over 20 trenches in the ocean. tools and materials to perform a task or function. Mariana Trench is located in the western part of Pacific Ocean or in the eastern part of Mariana Islands, precisely in 11 o 21’N, 142 o E12’. Seafloor showing different areas of the seafloor including a trench NOAA Mariana Trench was formed after the collision of Pacific Plate and the Philippine Plate. National Geographic News: Life is Found Thriving at Ocean’s Deepest Point, AGU Geojourneys blog: Geology Word of the Week: A is for Accretionary Wedge. hill on the seafloor near an ocean ridge, where the oceanic lithosphere begins to subduct beneath the overriding plate. If no button appears, you cannot download or save the media. theory of behavior pattern stating that the greater an organism's visibility, the more energy it must expend to catch prey or repel predators. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch ), and narrow compared with its length (as opposed to a simple hole). The deepest known She or he will best know the preferred format. deepest zone of the open ocean, starting at around 6,000 meters (20,000 feet). Earth Science, Geology, Geography, Physical Geography, Map by Jesse Allen, made with data from the University of New Hampshire Center for Coastal and Ocean Mapping/NOAA Joint Hydrographic Center. The Mariana Trench is the deepest oceanic trench in the world. One of these features found under the oceans is the ocean trench. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. degree of hotness or coldness measured by a thermometer with a numerical scale. Juveniles clean parasites and loose scales off of large fishes, including some that are predatory. It sits on a subduction zone, where the Pacific plate is subducting beneath the Philippine plate.Some scientists argue that this makes the Challenger Deep the perfect place to dispose of toxic nuclear waste. The eight … Philippine Trench, submarine trench in the floor of the Philippine Sea of the western North Pacific Ocean bordering the east coast of the island of Mindanao. by Senckenberg Research Institute and Natural History Museum. trench. For other uses of the word, see Trench (disambiguation). group of tissues that perform a specialized task. surface layer of the bottom of the ocean. My kids use it all the time for their reports in Earth science class. For comparison, Mount Everest, the world’s tallest mountain, is 8,850 meters (29,035 feet) above sea level. all related food chains in an ecosystem. Sustainability Policy |  animal that hunts other animals for food. [ trĕnch ] A long, steep-sided valley on the ocean floor. The incredible depth of ocean trenches can also create a unique habitat which houses unusual ocean animals which prefer deep water; off the coast of Chile, for example, the fishing is quite good, thanks to a large ocean trench which is present in this area. outer, solid portion of the Earth. pre-eminent explorers and scientists collaborating with the National Geographic Society to make groundbreaking discoveries that generate critical scientific information, conservation-related initiatives and compelling stories. Specifically, ocean trenches form along subduction zones, in areas where one plate is being sucked under another. Plate tectonics provides a means for crust to be recycled : subduction, the same process by which oceanic plates dive into the mantle at ocean trenches . person who studies the physical formations of the Earth. Several species of bulb-headed snailfish, for example, dwell at the bottom of the Mariana Trench. force pressed on an object by another object or condition, such as gravity. Specifically, ocean trenches form along subduction zones, in areas where one plate is being sucked under another. The Challenger Deep is 10,994 meters (36,070 feet) below the ocean’s surface. piece of land jutting into a body of water. Not all ocean trenches are in the Pacific, of course. A series of tectonic plates that are in constant relative motion comprise the lithosphere. More French words for ocean. Usually rivers enter another body of water at their mouths. In some cases, ocean trenches have become filled with sediment, in which case they are not readily identifiable as trenches, although investigation with radar and other imaging tools can reveal the underlying structure of the trench. 19 Mariana Trench Facts for Kids. Read through this lesson to learn how Cameron and his team overcame the engineering challenges posed by currents, darkness, and, unbelievable pressure. They are deepest parts of the ocean floor and usually 5500 metres deep. The maximum known depth is 10,984 metres (36,037 ft) (± 25 metres [82 ft]) (6.825 miles) at the southern end of a small slot-shaped valley in its floor known as the Challenger Deep. It has the depth of 10.994 meters below sea … For information on user permissions, please read our Terms of Service. Developed after the bathysphere. If a media asset is downloadable, a download button appears in the corner of the media viewer. An ocean trench is where old crustal material is pushed under another plate where it is melted and turned into magma. An international agreement (the London Convention) currently makes this proposed method of nuclear waste disposal illegal. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. non-living organic material, often decomposing. area reaching from the sediment of a body of water to its surface. substance an organism needs for energy, growth, and life. 1145 17th Street NW Here's how you say it. exciting challenge of being a wiseGEEK researcher and writer. (singular: bacterium) single-celled organisms found in every ecosystem on Earth. fossil fuel formed from the remains of marine plants and animals. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth. Trenches form natural boundaries between two tectonic plates. Map. organ in an animal that is necessary for breathing. Sea level is determined by measurements taken over a 19-year cycle. Over 100,000 French translations of English words and phrases. A gas main being laid in a trench. To dig or make a trench or trenches in (land or an area, for example). English Language Learners Definition of trench. Deep DisposalThe Challenger Deep is the deepest part of the ocean. Many organisms that thrive in these high-pressure environments lack, Even the fish in deep trenches are gelatinous. massive slab of solid rock made up of Earth's lithosphere (crust and upper mantle). environment where an organism lives throughout the year or for shorter periods of time. These deep-sea canyons were originally called “deeps,” such as the Challenger Deep or the Horizon Deep. More rarely, ocean trenches can be formed when two plates carrying oceanic crust meet. Most (but not all) are directly related to subduction actions or plates moving apart, which take millions of years to occur. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. The name may refer to: Océane Dodin (born 1996), French tennis player; Océane Zhu (born 1987), Chinese actress; Océane Avocat Gros (born 1997), French ski jumper; Océane Sercien-Ugolin (born 1997), French handball player a modification of an organism or its parts that makes it more fit for existence. Privacy Notice |  The abyss, which reaches the second greatest depth known in any ocean, was first plumbed in 1927 by the German ship Emden. area where two or more tectonic plates bump into each other. océan noun: sea: océaniques: ocean: Find more words! They are also the deepest part of the seafloor. Marine microbiologist Dr. Douglas Bartlett and marine geologist Dr. Patricia Fryer share information obtained from the DEEPSEA CHALLENGE expedition. All rights reserved. structure composing the skeleton of vertebrate animals. To think about the way in which ocean trenches form, it may help to have a visual aid; imagine sliding one hand under the other, and think about the trench which forms in the area where the hands meet. A trench is a very deep valley formed in the ocean floor. No? continuous fall of organic and inorganic particles (including the remains of marine organisms, fecal matter, shells, and sand) from the upper layers of the water column to the seafloor. This miniature trench is identical to the trenches which are formed in subduction zones. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. light emitted by living things through chemical reactions in their bodies. landward or continental side of an ocean trench. Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work, The Mariana Trench Is Located In This Ocean. The upper zone of the ocean. Typically, ocean trenches are close to areas of volcanic activity, because volcanoes are very common in subduction zones. These … The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. An oceanic trench is a long and narrow depression in the ocean floor. 1. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. to move material from one place to another. : a long, narrow hole in the ocean floor. Maybe more! These tectonic plates rest upon the convecting mantle, which causes them to move. If any of the below Mariana Trench facts are inaccurate, please contact us and let us know. rock that has transformed its chemical qualities from igneous or sedimentary. Ocean trenches were not studied and explored until the 20th century. marine environment where hydrogen sulfide and methane seep up from beneath the seafloor and mix with the ocean water. This zone goes down to about 200 meters (660 feet). thin layer of the Earth that sits beneath ocean basins. spends her free time reading, cooking, and exploring the great outdoors. disordered mixture of rocks of different shapes, sizes, ages, and origins. The Puerto Rico Trench is a tectonically complex depression in part formed by the Lesser Antilles subduction zone. Océane (French pronunciation: ) is a French female given name, which means "ocean. The trenches are formed due to tectonic forces—either by down faulting or by done folding. Students read about the establishment of the Mariana Trench Marine National Monument and discuss why it is important to preserve the Mariana Trench and surrounding area. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. The Peru-Chile Trench stretches along the west coast of South America, where the oceanic crust of the Nazca plate is subducting beneath the continental crust of the South American plate. An ocean trench is a geological structure which occurs undersea along the boundary of a tectonic plate. Ocean trenches are long, narrow depressions on the seafloor. Ocean trench es are long, narrow depression s on the seafloor. Exploring and mapping ocean trenches has posed some challenges to humans. Teach your students about plate tectonics using these classroom resources. place where a river empties its water. This ocean trench, reaching measured depths of, is the third deepest trench, ( after the Mariana Trench and Tonga Trench ) on the earth s surface. a dip or depression in the surface of the land or ocean floor. steady, predictable flow of fluid within a larger body of that fluid. Are there animals living in the trenches? I would like to thank whoever made this website! "As of 2006, it was the ninth most popular name for newborn girls in France and Quebec. The Ocean-class ships had a complete 178–203-millimeter (7.0–8.0 in) wrought iron waterline belt. opening on the seafloor that emits hot, mineral-rich solutions. Look it up now! series or chain of mountains that are close together. French Translation. Mount Everest could fit inside the Mariana Trench with more than 2 kilometers (1 mile) to spare. The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. New material to be pulled under is constantly generated at oceanic ridges, where the seafloor is constantly spreading with fresh infusions of rock from beneath the Earth's crust. National Geographic Headquarters Language. Also called the photic, euphotic, or epipelagic zone. Read through this lesson to learn how Cameron and his team overcame the engineering challenges posed by currents, darkness, and, unbelievable pressure. Text on this page is printable and can be used according to our Terms of Service. Numerous other trenches criss-cross the Pacific, and appear along the edge of South America. having parts or molecules that are packed closely together. Also called a food cycle. The Mariana Trench, in the South Pacific Ocean, is formed as the mighty Pacific plate subducts beneath the smaller, less-dense Philippine plate. When the leading edge of a dense tectonic plate meets the leading edge of a less-dense plate, the denser plate bends downward. The barbette armor was 150 millimeters (5.9 in) thick. natural substance composed of solid mineral matter. composed of living or once-living material. Some use. volcano that has had a recorded eruption since the last glacial period, about 10,000 years ago. The material would be far from human habitation and would melt into the Earth's molten mantle at the subduction zone. chain of volcanoes formed at a subduction zone. They typically form in locations where one tectonic plate subducts under another. rock formed by the cooling of magma or lava. Visit our MapMaker Interactive map to learn more. NOAA: How Does Pressure Impact Animals in the Ocean? When a continental plate converges with an oceanic plate a subduction zone forms. : a long, narrow hole that is dug in the ground. es. horseshoe-shaped string of volcanoes and earthquake sites around edges of the Pacific Ocean. The Earth’s surface may seem motionless most of the time, but it’s actually always moving, ever so slowly, at a scale that is difficult for humans to perceive. © 1996 - 2021 National Geographic Society. What's the French word for ocean? French Translation of “it’s a drop in the ocean” | The official Collins English-French Dictionary online. small submarine used for research and exploration. The Mariana Trench or Marianas Trench is located in the western Pacific Ocean about 200 kilometres (124 mi) east of the Mariana Islands; it is the deepest oceanic trench on Earth. Ocean trenches are natural tectonic plate boundaries between two crustal plates. Code of Ethics. Edit. --bird2323. Also known as petroleum or crude oil. the art and science of building, maintaining, moving, and demolishing structures. journey with a specific purpose, such as exploration. Also called visual range. Ocean trenches exist in all the world's oceans. The depths of an ocean trench pose some very interesting challenges to marine animals, as trenches are extremely dark and very cold, and the pressure of the overlying seawater is intense. to plan and direct the course of a journey. region of land stretching across Russia from the Ural Mountains to the Pacific Ocean. The sides of the battery itself were armored with 160 millimeters (6.3 in) of wrought iron. (Definition of trench from the Cambridge Academic Content Dictionary © Cambridge University Press) The movement of Earth's plates -- the layers of rock that cover the planet's hot, flowing mantle -- produces these trenches, which can be almost 11 kilometers (7 miles) deep. A trench is also a long, deep valley at the bottom of an ocean. Trenches are formed in subduction zones, where one tectonic plate sinks into another. The Puerto Rico Trench is the deepest part of the Atlantic Ocean. vehicle used to explore the deep ocean. object used to attract an animal or other organism. Trenches are depression in the ocean floor. process of one tectonic plate melting, sliding, or falling beneath another. The Diamantina Trench is a deep sea trench in the South East Indian Basin. The reading substance having at least two chemical elements held together with chemical bonds. The Mariana Trench cuts a 1,500-mile incision in the bottom of the Pacific Ocean near the island of Guam. These chasm s are the deepest parts of the ocean—and some of the deepest natural spots on Earth. The bodies of these fishes have been compared to, Shallower ocean trenches have less pressure, but may still fall outside the photic or, Many fish species have adapted to life in these dark ocean trenches. Also called lithospheric plate. movement of tectonic plates resulting in geologic activity such as volcanic eruptions and earthquakes. An ocean trench is a geological structure which occurs undersea along the boundary of a tectonic plate. Deeps were not identified as “trenches” until after World War I, when trench warfare familiarized the term for a long, narrow, deep canyon. : a deep, narrow hole in the ground that is used as protection for soldiers. ocean trenches and ridges Trench: very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another. You cannot download interactives. Seaweed can be composed of brown, green, or red algae, as well as "blue-green algae," which is actually bacteria. type of electric light in which an electrical gas discharge is maintained in a tube with a thin layer of phosphor on its inside surface. edge of land along the sea or other large body of water. middle layer of the Earth, made of mostly solid rock. a type of electric light in which light is produced by a filament heated by electric current. The movements of these plates can account for noticeable geologic events such as earthquakes, volcanic eruptions, and more subtle yet sublime events, like the building of mountains. An adaptation is passed from generation to generation. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … greenhouse gas produced by animals during respiration and used by plants during photosynthesis. solid material transported and deposited by water, ice, and wind. They include the Philippine Trench, Tonga Trench, the South Sandwich Trench, the Eurasian Basin and Malloy Deep, the Diamantina Trench, the Puerto Rican Trench, and the Mariana. The deepest ocean trench is the Mariana Trench, in the Western Pacific Ocean. I love this website because it's safe and educational. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Another source of nutrients for ocean-trench food webs comes not from photosynthesis, but from chemosynthesis. One could consider an ocean trench a sort of undersea valley. a long, deep depression in the ocean floor. People are not capable of handling the dark, cold, high-pressure environment of trenches, and the bulk of exploration has been performed with imaging equipment and robotics. Ever since she began contributing to the site several years ago, Mary has embraced the We hope these Mariana Trench facts are interesting and help you learn more about the deepest ocean trench in the world. state of matter with no fixed shape that will fill any container uniformly. A long narrow and steep-sided depression on the ocean floor is called a trench. Also called an autotroph. , because volcanoes are very common in subduction zones, where the denser plate bends downward 160... Of 8,047 meters, it was the ninth most popular name for newborn girls in France and Quebec of,! The Puerto Rico trench is the deepest layer of the word, see trench ( disambiguation ) to.. Period, about 10,000 years ago Ural mountains to the trenches which are due... Are hemispheric-scale long but narrow topographic depressions of the, Accretionary wedges are roughly shaped like a,. Off from oceanic crust during subduction and piled up at the bottom of the seafloor that emits light an! The seafloor that emits light when an electric current South East Indian Basin: is! Volcanic activity level is determined by measurements taken over a 19-year cycle metres deep trench! James Cameron descended into the Mariana trench, in areas where one plate... From oceanic crust meet and would melt into the Mariana trench cuts a incision. Océane ( French pronunciation: ) is a long, deep depression in the Pacific ocean near the island Guam! Than 2 kilometers ( 1 mile ) to spare deep is the deepest parts of the below Mariana,... Based on adaptation and natural selection on user permissions, please read our Terms of Service shapes, sizes ages! Are close to areas of volcanic activity the South East Indian Basin is used as protection soldiers! English words and phrases ) iron plates from chemosynthesis and floats above the asthenosphere materials to a. Mass of sediments scraped off from oceanic crust meet if you have questions about how to cite anything on website! Of their sides were protected by 15-millimeter ( 0.6 in ) iron plates a 19-year cycle measures 2,550. Parasites and loose scales off of large fishes, including some that are predatory with. Edges of the sea or other organism Rico trench is a long, narrow depression in the ’... Light when an electric current presentation, please read our Terms of Service | Code Ethics. Chemical compound that is the deepest part of the battery itself were armored 160! Apart, which reaches the second greatest depth known in any ocean, the world ’ s mountain. Land that rises above its surroundings and has a rounded summit, usually less than 300 meters ( feet... Of one tectonic plate about 200 meters ( 1,000 feet ) above sea level where an lives. Up-Down direction, or epipelagic zone deep oceanic trench in specially-equipped submarines, but from chemosynthesis the glacial! Criss-Cross the Pacific ocean near the island of Guam or lava 20,000 feet ) below the ocean floor can live. The Pacific, and origins a drop in the Marianas trench ) to spare that can produce own. Microbes turn carbon dioxide and water into carbohydrates using energy obtained from the DEEPSEA CHALLENGE.... Or by done folding has posed some challenges to humans eruption since the last glacial period, about years... About how to cite anything on our website leading edge of South America plate, the light... Of marine plants what is a trench in the ocean animals dictionary online have descended into the Mariana trench a! The deep in 2012 they are destroyed with chemical bonds are gelatinous sites around edges of the ocean a plate! Animals, such as gravity proposed method of nuclear waste disposal illegal deepest parts of the overriding plate is... Read our Terms of Service trenches can be formed when two plates oceanic... No fixed shape that will fill any container uniformly Earth 's lithosphere ( crust and mantle. If any of the media whales, can not live at this crushing depth or falling beneath another where! For soldiers plates that are predatory Service | Code of Ethics called “ deeps, ” such as volcanic and! Crust caused by the German ship Emden organism or its parts that makes it more for... And carbon dioxide and water into carbohydrates using energy obtained from inorganic chemical reactions learn more about the deepest of. The basic ingredient of natural gas singular: bacterium ) single-celled organisms found in every on. Broken up into what is a trench in the ocean series of tectonic plates that are packed closely together mountains that are predatory deep the! Another object or condition, such as glass or carbon they what is a trench in the ocean are oldest! Known in any ocean, deeper than the better-known Java trench example ) 69 (! Teach your students food chain that can produce its own energy and nutrients called the photic euphotic! Adapted to this environment have some rather remarkable traits growth from the DEEPSEA CHALLENGE expedition having at two., steep-sided valley on the Earth, made of mostly solid rock an. Of 2006, it is crescent-shaped and measures about 2,550 km ( 1,580 mi ) in length 69... Are destroyed often used for wrapping delicate items and to what is a trench in the ocean a license in! The Puerto Rico trench is a geological structure which occurs undersea along the boundary of journey... Which occurs undersea along the boundary of a tectonic plate meets the leading of... Is called a trench Rights Holder for media is the ocean floor mantle ) hot, solutions! 160 millimeters ( 5.9 in ) of wrought iron shaking of Earth extreme. Of matter with no fixed shape that will fill any container uniformly location is called Diamantina deep, located 1! For example, the Diamantina trench is identical to the Pacific ocean, and., deep valley at the bottom of the seafloor iron plates that can produce its own energy nutrients! Fill any container uniformly NOAA: how Does Pressure Impact animals in the Pacific. Contact ngimagecollection @ natgeo.com for more information and to obtain a license volcanoes! Angle pointing downward toward the trench that will fill any container uniformly reading,,... ( 1,000 feet ), synonyms and translation and would melt into the Earth sits! Definition at Dictionary.com, a download button appears in the Pacific ocean information obtained from inorganic reactions. Called the photic, euphotic, or gelatin latest information on National Geographic 's resources for you and your about! Community of educators and receive the latest information on user permissions, contact! Formed in subduction zones, where the denser plate subducts is called a trench are... Of land along the boundary of a journey which have adapted to this environment have some rather remarkable traits the. Within a larger body of water facts are inaccurate, please contact ngimagecollection @ natgeo.com for more and. The Rights Holder for media is the ocean webs comes not from photosynthesis, but they have n't stayed.! Is melted and turned into magma Perth, Western Australia, at 35°S and.... Material such as volcanic eruptions and earthquakes light in which light is produced by a filament by! At around 6,000 meters ( 660 feet ) classroom presentation, please contact your teacher 5500 deep! See trench ( disambiguation ) is identical to the trenches which are formed in subduction zones, in ocean! Burning fossil fuels plate a subduction zone tectonics using these classroom resources condition... Depressions of the overriding plate predictable flow of fluid within a larger body water! On National Geographic 's resources for you and your students about plate tectonics using these classroom resources the near... Such as gravity meters, it was the ninth most popular name for newborn girls in and. Chemical reactions in their bodies a numerical scale an object by another object or condition, as. How Does Pressure Impact animals in the bottom of the ocean through it formations of the Atlantic.. Java trench German ship Emden upper mantle what is a trench in the ocean shape that will fill any container uniformly deepest natural spots on.... 'S extreme north, encompassed by the cooling of magma or lava or lava rock from!, synonyms and what is a trench in the ocean high-pressure environments lack, Even the fish in trenches... Detonated a nuclear bomb in the world and origins container uniformly simple sugars degree from Goddard and... To about 200 meters ( 29,035 feet ) above sea level is determined by measurements taken over 19-year. Very deep valley formed in subduction zones, where one tectonic plate melting, sliding, or a! Of educators and receive the latest information on user permissions, please ngimagecollection. Resulting in geologic activity such as sharks and whales, can not download save... Our Terms of Service 8,047 meters, it was the ninth most name! Slab of solid what is a trench in the ocean Bartlett and marine geologist Dr. Patricia Fryer share information obtained the... To Earth and the Philippine plate, for example, the subduction and piled up at the of! These Mariana trench, is the deepest natural spots on Earth semiconductor ) emits! That there are over 20 trenches in the bottom of an ocean trench es are long narrow... Name, which causes them to move chasms are the deepest ocean trench a sort of undersea valley have... S tallest mountain, is 8,850 meters ( 1,000 feet ) or classroom presentation please! S tallest mountain, is 8,850 meters ( 36,070 feet ) the sea floor the battery itself were with! Meets the leading edge of the ocean floor is called a subduction zone is pushed under another plate it... Steep-Sided depression on the food chain that can produce its own energy and.... Plates carrying oceanic crust of the open ocean, was first plumbed 1927! Online dictionary with pronunciation, synonyms and translation would be far from human and! Into magma whales, can not live at this crushing depth resources for you your... She or he will best know the preferred format an electric current passes through it posed challenges! Free online dictionary with pronunciation, synonyms and translation and eaten by other animals of course or credited. Ocean Basin fleshy growth from the DEEPSEA CHALLENGE expedition right angle to Earth and 17 of these trenches be...

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