While studying wwii in history, fifth graders learn about harry hess in science lab. On a separate sheet answer the questions that follow. Data on ocean floor depths and sediment qualities could then be added to. The outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jigsaw puzzle floating on top of the earths hot flowing mantle. Mysteries, fun activities, cool pictures and more sea floor mapping home. On topographic maps, the lines connect points of equal elevation.
Tectonic activity, sea level changes, and force of waves influence the physical structure and landforms of the. Lidar is an aircraftbased sensor that uses a laser to bounce light off land. The vastness and unknown inhabitants of the ocean excite and stimulate student interest. Sea floor spreading answer key this is a mid ocean ridge. Bathymetry 15 an ocean of weather in islands in the stream 2002 finding the way from deep east 2001 at the edge of the continent in islands in the stream 2002 mapping seamounts in the gulf of alaska from exploring alaskas seamounts 2002. Todays technologyparticularly sonar, satellites, and submersiblesallows scientists to study the ocean. At the end of the lesson, students will be able to. Eighth grade lesson sea floor spreading day 12 betterlesson. Students are usually fascinated with the ocean making it an ideal theme through which to introduce many aspects of science and other disciplines. This lab works equally well using graphing calculators with the probes. Lithospheric plates on the scales of continents and oceans constantly move at rates of centimeters per year in. Multibeam sonar mapping the deepocean floor 78 the noaa ship okeanos explorer education materials collection oceanexplorernoaagov system during the indexsatal 2010 expedition. Introduction to sonar and ocean floor mapping april frake, gk12 resident scientist course. Before we begin this curriculum, we will start by finding out what the student knows.
All the graphing stuff is helpful in terms of getting them to practice their graphing skills and think critically about how best to plot an ocean floor profile, but this is actually where they begin to illustrate the idea of sea floor spreading by marking up their graphs. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean r. In this activity, you will learn how scientists use math to find out about the ocean floor. Technology lesson 23 national oceanic and atmospheric. This region has very little volcanic or earthquake activity. The plate tectonics mapping activity allows students to.
In the activity, students simulate the use of sonar for ocean floor mapping by poking a stick through holes in the lid of the box and taking depth measurements of a hidden object inside the box. The study of mapping the seafloor hydro international. The data in the table below represents various measurements of the depth of the atlantic ocean between. You will build a sounding box to hide a pretend sea floor. Note that the maps in this document need to printed on legalsize. Technology overview this lesson describes advanced technologies for underwater exploration and navigation. Students use a simple calculation to determine the depth of the ocean floor at 15 points from miami beach eastward to the wreck of the ss sapona in the bahama islands. Mapping the atlantic ocean floor from cape may to cape roca. File type pdf mapping ocean floor activity answers planet coast. Bathymetric maps represent the ocean sea depth as a function of geographical coordinates, just as topographic maps represent the altitude of the earths surface at different geographic points. Ocean floor mapping summary students will be exposed to, learn about, and demonstrate basic understanding of ocean floor features and mapping using near time data. Sounding box activity noaas national ocean service. Imagine that it is 1940 and you have landed your dream job as an oceanographer on a research ship using singlebeam sonar technology to explore a neverbefore mapped section of the ocean floor.
In this lesson, students construct a graphical model of the ocean floor the atlantic ocean, describing its physical features, identifying its plate motion and associated characteristics, a plan your 60minute lesson in science or earth and space science with helpful tips from kane koller. Observe, identify, classify, and map ocean floor features. Bathymetry is the measurement of ocean depths and the charting of the shape or topography of the ocean floor. A mapping and graphing activity teaching features of the seafloor. Next, students map the ocean floor on the mapping the ocean funsheet. Mapping will reveal the terrain of the ocean floor and identify areas of particular interest. Students will draw contour lines based on noaa soundings on a nautical chart. The rope was allowed to run freely until the weight struck the ocean floor. Sticky tallow or grease was often smeared on the weight to pick up sand and other sediments from the seafloor. Are there any places on earth where the midoceanic ridges meet the continent. Do the following lab activity, geographic provinces of the ocean floor.
The shape of the ocean floor, its bathymetry, is largely a result of a process called plate tectonics. Mapping the ocean floor worksheet page 1 read the information below and then scan the table. The staff has a widerange of expertise and is responsible for geophysical and sampling data acquisition, processing, interpretation and publication. Following completion of this lesson, the students will be able to. Highlight the overall exploration strategy used by the okeanos explorer, including the following points.
Scientist use tools to map or survey the ocean floor. Mapping the ocean floor is an excellent introductory activity for students to become familiar with the sound probes and using the computer program called loggerpro. Focus questions how can a twodimensional map be created showing the threedimensional nature of a landform. This unit in the form of pdf file and covers all about on ocean floor and ocean water characteristics with neat sketches along with vocabulary. Notice that the data for ocean depth at a distance of 2,725 miles is missing from the table. National science standards lithospheric plates on the scales of continents and oceans constantly move at rates of. Copies of multibeam mapping simulation activity guide and multibeam.
Then, you take depth measurements and chart your results. You can either make your own sounding box, or you can work in pairs or in a group to make separate boxes and then trade with each other to explore your own personal ocean. In this ocean characteristics lesson, 5th graders complete a kwl chart about the ocean floor, use the ocean depth data sheet to create a graph, and create a 3d model of the ocean floor. In this activity, you will learn how scientists use math to fi nd out about the ocean floor. Listed in the table below are echo soundings giving the atlantic ocean s depth along the 39o north parallel. They locate the distance from shore across the x axis, then plot the correct depth rounded to the nearest 100 meters on the y axis. Identify seafloor features that are found throughout the. Mapping the ocean floor worksheet page 1 answer key. Provide students a basic understanding of how sonar sound navigation and ranging is used to map the ocean floor. Consequently, mapping the sea floorbathymetryis an important part of many. Learning ocean science through ocean exploration section 2. 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. Lesson 3 seafloor profiling lesson at a glance in this lesson, students will model a seafl oor with shoeboxes and wood blocks, map the seafl oor using bamboo skewers, plot the data as a line graph, thereby making a profi le of their seafl oor, and identify geological features on the profi le. Mapping the ocean floor lesson plan overview after an introduction in which students try to identify hidden objects by the sounds they make when shaken in a box, students use string to map a model ocean floor by taking depth readings to simulate sonar.
Federal register ocean mapping of the united states. Background the ocean floor can be mapped by sounding. This knowledge will inform conservation, management, and balanced use of the u. Students construct a simulated model of the ocean floor in a shoebox. World tectonic mapping activity objectives learn where volcanoes and earthquakes occur understand geography use critical thinking to find plate boundaries answer relevant discussion questions on worksheet procedure print the appropriate maps see materials for use. Be sure students understand that each data point represents the depth of water at the location described by the geographic coordinates. Ocean floor features national oceanic and atmospheric. Mapping the ocean floor worksheet page 1 mapping the ocean floor worksheet page 1 mapping the ocean floor worksheet mapping the ocean floor worksheet. Underwater map dance see earth website assessment performance students label image of ocean floor features correctly two thirds are correct half or less are correct. Turners teaching troop january 22, 2020 ocean floor mapping battleship includes 36 unique maps of the ocean floor, a recording sheet, a detailed lesson plan with suggested pregame activiti. The length of the rope let out was an approximate measurement of the water depth.
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