Advantages & Disadvantages of Plate Tectonics Theory ACTIVITY NAME: Ocean Floor Mapping Worksheet OBJECTIVE: Provide students a basic understanding of how sonar (SOund NAvigation and Ranging) is used to map the ocean floor. Mapping The Ocean Floor Lab Answer Key | Review Home Decor On the “Mapping the Ocean Floor Lab” handout, plot the Distance from Beach ( x-axis) vs. Hydrographic surveying: Mapping the sea floor | National ... Seeing Is Believing: How Marie Tharp Changed Geology ... This dramatic map of the world captures the geography of the land and the ocean floor. It’s also critical to the placement of undersea cables and offshore wind farms and to identifying areas that need protection from human activity. A chain of underwater mountains along which sea-floor spreading occurs is a Mid ocean Ridge. The ocean floor has the same general characteristics as the above-water areas of the world, including Add your answer and earn points. Description: Draw a map of your town (simple square, circle, oval shape etc.). Detailed depth contours provide the size, shape and distribution of underwater features. View maps of ocean depth in two and three dimensions, and use these maps to plot a safe route for ships to follow. Mapping the Ocean Floor. Sediment thickness in the deep ocean (slides 11 – 13) 1. Figure 1 shows the ocean floor around a spreading ridge. Tidal energy. The activity uses a simple “Where’s Waldo” approach to identify tectonic In this investigation, a high-bouncing ball will be used to demonstrate how sound waves measure the depth to the ocean floor. Introduce kids to the fun of mapping, with this hands-on ocean map activity. Ocean trenches are a result of tectonic activity, which describes the movement of the Earth’s lithosphere. This super-detailed map of the ocean floor's topography is based on satellite measurements of subtle lumps on the ocean's surface. Explain to students that this is a depiction of ocean currents called the Ocean Conveyor Belt. To map the ocean floor we need to know the depth at a number of places. Procedure Obtain a 3-dimensional seafloor model in a box covered with paper from your teacher. Plate margins are places where much activity occurs. Ocean going vessels mapping the ocean floor provided data about the features of the ocean basin, including the discovery of mid-ocean ridges. Using crayons or colored pencils, color-code the map to show differences in elevation. Includes many maps for printing, and student worksheets. The data in the table below represents various measurements of the depth of the Atlantic Ocean between Cape May, New Jersey and Cape Roca, Portugal. Title: Sonar Mapping of the Ocean Floor. ... made with data from the University of New Hampshire Center for Coastal and Ocean Mapping/NOAA Joint Hydrographic Center ... deep depression in the ocean floor. Ocean energy is classified as tidal energy, wave energy and ocean thermal energy. Each group will write their answer on the white board and hold it up for the teacher to see. Ask them if they recognize any patterns. Seafloor spreading is a geologic process where there is a gradual addition of new oceanic crust in the ocean floor through a volcanic activity while moving the older rocks away from the mid-oceanic ridge. Mapping the Ocean Floor uses multiple echo-soundings to map narrow (2-10 km) sections of the ocean floor collected using scientific ocean going vessels or AUV's - which is more expensive limited coverage good resolution:25-100 m (0.5m for AUV's) vertical accuracy: 1-2 m This method of seafloor mapping is called echosounding. What they are seeing is not simply the result of a photograph from space; it’s a bathymetric map constructed from radar data collected on satellites and echo sounder data collected from ships. Procedures: Part 1: Atlantic Profile 1. OBJECTIVES Following completion of this lesson, the students will be able to: Develop the understanding that the bottom structure of underwater habitats can be mapped. The expansive application of AUVs has resulted in a wide array of AUV shapes and sizes. Oc Geo 103 Lab 2. Mapping World Plates helps students connect topography, earthquakes, volcanoes, and plates. Study the shapes of the contour lines, then identify and label features on the maps. There are 0 item(s) in your cart. An international effort to map the entire ocean floor in detail by 2030 is under way, using multiple ships, led by the Nippon Foundation and … explore the ocean floor with google maps answer key. It aims to bring together all available bathymetric data to produce the definitive map of the world ocean floor by 2030 and make it available to all. Continental Crust ... the erupted lava a\൮d volcanic debris pile up on the ocean floor until a submarine volcano rises above sea level to form an island volcano. Hydrographic surveying is a scientific career that many people may not know about. 6749. See also Suncorp Broncos Seating Map. In this … Overview/Annotation: Mapping the ocean floor must be done by indirect observation. Mapping the Ocean Floor 14.1 The Vast World Ocean The topography of the ocean floor is as diverse as that of the continents. On the world map provided on the following page, draw the global mid-ocean ridge system in red. 3. Summary Students will be exposed to, learn about, and demonstrate basic understanding of ocean floor features and mapping using near time data. Finish your ocean floor map graph and analysis. The bumps, too small to be seen, can be measured by a radar altimeter aboard a satellite. Today’s technology—particularly sonar, satellites, and submersibles—allows in the table below represents various measurements of the depth of the Atlantic Ocean between That was the case in 1953, when a young geologist named Marie Tharp made a map that vindicated the controversial theory of plate tectonics. The vessel can travel at about 10 knots ( approx. Locate the contour lines of features below sea level—those shown as negative numbers. The ocean floor can be mapped by sounding: sound is sent from a ship's transmitter to the ocean bottom at an angle. S. O. und . The exact patterns depend on whether Plate tectonics is the unifying theory that explains the past and current movements of the rocks at Earth’s surface and provides a coherent account of its geological history.

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