PPT-History of Ocean Floor research

Ms Bridgeland 6 th Grade Why have people been interested in using the ocean since ancient times 3 Major R easons 1 Ocean provides FOOD 2 Serves as a route for TRADE 3 Is a way to . Rockefeller Jr Memorial PKWY Big Hole NB Cowpens NB Fort Donelson NB Fort Necessity NB Moores Creek NB Petersburg NB Stones River NB Tupelo NB Wilsons Creek NB Kennesaw Mountain NBP Richmond NBP Brices Cross Roads NBS Chickamauga and Chattanooga NMP Check your notes for . key ideas!. 1. Mid-Ocean Ridges.  . . An . underwater mountain . range stretching all over Earth.. . Scientists . used sonar to map the ocean . floor. Mapping the mid-ocean ridge made scientists more curious about what is happening . Floor . --subsurface topography--. Ch. 13, section 2. (before the 1900’s scientists thought the ocean floor was completely flat). Sonar. (sound navigation and ranging). --invented during WWI--. to find depth: use the formula: . Chapter 14 . pg. 393. A. The Vast World Ocean. The blue planet. 71% of earth is covered by ocean. Oceanography – study of the ocean. Geography of oceans. 4 main ocean basins. Pacific Ocean. Largest ocean. Features of the Ocean Floor. Continental Shelf. Zone . of shallow water where the ocean covers the end of the continent. . Shallow slope. Where most ocean life is found. Why?. Answer: Photic zone is the first 100 feet of water and allows sunlight to penetrate the water. . What is the standard?. S6E3. Students will recognize the significant role of water in earth processes. . What is the element?. c. Describe the composition, location, and subsurface topography of the world’s oceans. . http://www.pbs.org/wgbh/nova/alicia/submersibles.html. Difficulty in exploring the ocean. Sunlight does not penetrate far below the surface. . Water is very cold. . Tremendous pressure. . Technology Used To Study Ocean Bathymetry. http://www.youtube.com/watch?v=3GRA7ilM708. Difficulty in exploring the ocean. Sunlight does not penetrate far below the surface. . Water is very cold. . Tremendous pressure. . Technology Used To Study Ocean Bathymetry. SO. und. . N. avigation . A. nd . R. anging. A ship sends sound waves to the ocean floor.. The sound waves bounce off the floor and back to the ship.. The deeper the water, the longer it takes for the sound waves to return.. Plate tectonics review. Earth’s lithosphere is divided into large tectonic plates. They are constantly in very slow, motion.. Plate tectonics review. ____________ pushes the tectonic plates apart in sea floor spreading. This causes the motion of the plates.. . Ocean Decade Research . Programme. on the Maritime Acoustic Environment (UN-MAE). Modeling and Prediction of Ocean Ambient Sound. . A Satellite activity of UN Ocean Decade Laboratories: A Prediction Ocean . Let\'s dig in and learn how to choose the best floor tiles to improve your home\'s aesthetics and practicality. Explore Here! When it comes time to make this selection, select high-quality floor tiles for bathroom rather than the one priced the lowest among those accessible. The Vast World . Ocean. Area of Continents and Oceans. Seventy one percent (71%) of the globe is covered with oceans or seas.. Continents and islands compose the remaining twenty nine percent (29 %)..