- Mantle—the 2890-kilometer-thick layer of Earth located below the crust. Characteristics of Earth’s crust. Plate motion over time. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Thinnest layer of the Earth that ranges from only 2 miles in some areas of the ocean floor to 75 miles deep under mountains. Continental and Oceanic Crust Continental crust and oceanic crust are very different in nature. Now customize the name of a clipboard to store your clips. If so, share your PPT presentation slides online with PowerShow.com. Standing on the Earth, we sense it as solid. The inner and outer core of the earth are about as large as Mars! Small objects--called planetoids-- accreted or combined together to build larger objects…such as planets Gravity reshapes the proto-Earth into a sphere. L1 Earth Structure. Outer core. The crust is only about 3-5 miles (8 kilometers) thick under the oceans (oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust). Tes Classic Free Licence. Info. Each type of interaction causes a characteristic set of Earth structures or “tectonic” features. The first activity allows pupils to create their own diagram and the second allows them to add more detail to their understanding. 94% of the Earth is composed of the elements oxygen, silicon, and magnesium. The Biosphere. Two types of crust: oceanic crust and continental crust. The crust is only about 3-5 miles (8 kilometers) thick under the oceans (oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust). MOR form crack in the oceanic crust, called central valley (see pic. The crust is a dynamic structure and it is one of the layers that make up our pale blue dot. Or use it to create really cool photo slideshows - with 2D and 3D transitions, animation, and your choice of music - that you can share with your Facebook friends or Google+ circles. Keep in mind, the elemental composition of the Earth's crust is not the same as the composition of the Earth. Structure of the Earth. This lesson includes a powerpoint aimed at lower ability year 8; the powerpoint walks pupils through the structure of the earth.. Report a problem. In the previous article in geography section, we have discussed in detail about the interior of the earth. Deformation causes rock layers to bend and Earthquakes and Deformation of the Crust ... - Forms a narrow zone near the Earth's surface. The Center Of The Earth Earth Layers The Earth is divided into four main layers. Strength increases with increasing strain rate ... - The earth s crust is floating on the denser mantle beneath Domes and Basins 5. EARTH’S CRUST The crust is Earth’s outermost layer. ... As weight is added to the crust it will subside ... Folds, Faults and the Deformation of Earth. Earth's dense central sphere. Read more. this is a ppt which has information of the earth's crust. Crust may be divided into 2 types ... - FORCES IN EARTH S CRUST ... Faults are breaks in the crust where rock surfaces slip past each other. The geosphere is the solid Earth that includes the continental and ocean crust as well the various layers of Earth’s interior. *The crust makes up 1% of the Earth. Its surface (crust) is in a constant state of motion. The geosphere is the solid Earth that includes the continental and ocean crust as well the various layers of Earth’s interior. Mineral resources are mined from the geosphere. Clipping is a handy way to collect important slides you want to go back to later. Two Types of Crust Continental crust is the crust … The material of the crust is made up of rocks. "Old crust appeared to be critical in continent production as it acted much like a life raft to preserve crust through later stages of earth history. Inner core. View and Download PowerPoint Presentations on Earth Crust Minerals PPT. CRUST..?? Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. It is very thin compared to the other three layers. What is an Earthquake? Forces In Earth S Crust. Forces In Earth S Crust Dublin Unified District. Free Earth PowerPoint template can be used in Microsoft PowerPoint 2010 and 2013 and it contains a nice picture of clouds in the background and Earth illustration showing America. Pieces called tectonic plates move at an average rate of a clipboard to store your clips near... Science Chapter 4 the dynamic crust as large as Mars four layers, the focus and performance, and Deformation... Folds, Faults and the inner core, and earth crust ppt second allows to... 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