(�� (�� endobj (�� The origin and evolution of the earth (�� The 4 different layers of earth are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust. 46 14 (�� (�� endobj (�� %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz��������������������������������������������������������������������������� It is about 2,300 km thick. (�� (�� (�� (3) 2. (�� (�� (�� (�� (�� (�� Beneath the mountains like the Rockies, Alps the crust is as thick as 100 km. (�� What do we call the thick, warm liquid rock that is found in the mantle of the earth… (�� (�� QXa˩[U�粨6�D�($v�UDl�`m����@t�-'ɹ�;� Y�º35��,yݾ�"��3����/e�ƟC�B����:��u{$�ob�d��5����b�̓�����M��9�y21�̇�R��o��+� W�`T[�aG�uZ#��fqIY�9�L���e�^�p���؆�U�O|�zI���6X��e��x҂���gMD�"�pw �DWx���y��A�O �`�XV�O=Y�Bn�"���B�=����k�>��7���k�ź ��ˣ��z�b��֎��R�uם��ahwn�.瘌�-=u]k|g*�h����M"ʊH����M �N�:uR�Q�a ��1��v1�%�U\L%q�V,O�Q�����>�#���v�����m��c��C�]��41��t���� �]�~-���M~\��"y��A�@(c���*t����]��s G� �� � w !1AQaq"2�B���� #3R�br� (�� (�� What are their compositions? Structure of the Earth (UPSC Notes):- Download PDF Here, Your email address will not be published. ] /Count 1 /Rotate 0>> (�� Slickensides (3 pts) 14. The crust is the outermost layer of the earth, and the core is the innermost layer of the earth, located at a depth of 2900 Km. Man at the edge of a gravel pit. 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The plate tectonics theory, says that the earth’s outer layer, or lithosphere, is broken into several large pieces called plates. (�� (�� <> (�� (�� (1) 3. Simple worksheet on structure of the Earth. (�� (�� The portion of the interior beyond the crust is called the mantle. (�� Structural Geology – Review Questions and Practice Exam Short Answer Definition (use drawings where necessary) 13. You will be told if your answer is correct or not and will be given some comments. (�� (�� (�� Approximately how thick is the lithosphere or crust of the earth? (�� (�� (�� eTutorWorld offers affordable one-on-one live tutoring over the web for Grades 2-12, Test Prep help for Standardized tests like SCAT, CogAT, SSAT, SAT, ACT, ISEE and AP. The questions will assess you on points such as the different layers of the Earth and their composition. For answers/solutions to any question or to learn concepts, take a FREE Demo Session. MCQ quiz on Solar system and Planets multiple choice questions and answers on Solar system and Planets MCQ questions quiz on Solar system and Planets objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. (�� (�� The mantle is below Earth’s outer crust. Our mission is to provide high quality online tutoring services, using state of the art Internet technology, to school students worldwide. Test Specifications Test specifications in this chapter describe the knowledge and skills measured by the test. (�� The core is extremely hot and pressure here is very high, that is why the iron and nickel is in liquid form. 1. Try the following. With its immense heat energy, the inner core is like the engine room of the Earth. It is solid and made up of iron and nickel with temperatures of up to 5500°C. It has a density higher than the crust portion. (�� (�� (�� Normal Fault (3 pts) 17. The temperature in the core is hotter than the Sun’s surface. (�� No credit card required, no obligation to purchase. (�� (�� The core is made up of very heavy material mostly constituted by nickel and iron. Except for the crust, no one has ever explored these layers in person. The outer core is the layer surrounding the inner core. %PDF-1.6 %���� (�� The mean density of material in the oceanic crust is 2.7 g/cm3. /Contents 5 0 R (�� This article talks about the Geography syllabus for IAS exam as an assimilating discipline as a science of spatial characteristics and Divisions of geography and significance of physical geography. (�� The first one-on-one online tutoring lesson is always FREE, no purchase obligation, no credit card required. (�� (�� (�� The interior of Earth is very hot (the temperature of the core reaches more than 5,000 degrees Celsius) for two main reasons: The heat from when the planet formed, The heat from the decay of radioactive elements. (�� H��T�n�@|�W��A��kǗB���&^�K�]7͏��&N�B�D�V�df��s.K It is also possible that the movements generate the Earth’s magnetic field, called the magnetosphere. (�� 0000000576 00000 n Next Question > Crust. (�� (�� (�� What are their rheologies? (�� 0000000016 00000 n << /Type /Pages /Kids [ (�� (�� (�� (�� (�� H�BV9>l���k�0ɾ�ѣ�N!�:^@��iF��F�ߏ�3'�����{4$�C��p��ujx����q�Z��n%+a����&���>�{���$u�c˕M���k��,�"�0`L�f���"�ˎ��|~Ĩ7�L�-�FjxU�=�p�7�FVn�8�%ۋz�`_pɡ�9W���jґg/z��Iz���R�w�Vb����D��s��tJ`^�^�� ���4h/�X���g.�1�g��r�>4�§�-kK=�;�#˝� structures in the earth. Made up of the crust and a very little of the upper mantle, this layer is divided into several very slowly moving plates of solid rock that hold the continents and oceans. The interior of the earth can be divided into 3 different layers – crust, mantle, and core. Required fields are marked *. (�� (�� (�� (�� (�� (�� (�� Quiz & Worksheet Goals This quiz and worksheet will test you on: (�� (�� (�� Atmospheric Structure and Composition Chapter at a Glance Origin of the Earth and Atmosphere Atmospheric Composition Carbon Cycle Constant and Variable Gases Faint Young Sun Paradox Atmospheric Structure Summary Key Terms Review Questions Questions for Thought The atmosphere is a collection of gases held near the Earth by gravity. What is the basic composition of the mantle? <> This article briefly throws light on these 3 different interior layers of the earth. (�� (�� (�� (�� The thickness of the crust varies under the oceanic and continental areas. NCERT Notes Geography Structure Of The Earth, Geography is a very important component of the, Frequently Asked Questions related to Interior of Earth, UPSC Mains General Studies Paper 1 Syllabus, Strategy & Structure, Difference between Advancing and Retreating Monsoon, Previous Years Geography Questions in UPSC Mains General Studies Paper- 1, Topic-Wise General Studies Paper-1 Questions in UPSC Mains. (�� 0000001054 00000 n $4�%�&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz�������������������������������������������������������������������������� ? Bedrock also underlies sand and other sediments on the ocean floor. (�� EXAM I STUDY QUESTIONS What are the compositional layers of the earth? (�� It is the chief source of magma that finds its way to the surface during volcanic eruptions. �@�>^��&,U�jh�6{�jP!����>�����[���[~���Pwԕ�r�Xne |�3����T �/�d�H#�`r���w ���*� ��h�$D���H���M�B���̱'ǖo��5�~���������J:Y�}ծ���%�X&�G}��u�Vq�k:=U �TZ(��e2,;@�ؾ�����r 9�e|�d��0�1�^�l/�;���>5j�ĭ��uS ۵0Et�+c.p�������Ђ� S�S�-A��5{������>V�pɑ����ʹU �5�ﭳ��Ixt6. 266 0 obj <>stream The crust is the outermost layer of the earth, and the core is the innermost layer of the earth, located at a depth of 2900 Km. Also, sometimes SIAL is used to refer to the Lithosphere. (�� (�� (�� The structure of the Earth The Earth is made up of four distinct layers: The inner core is in the centre and is the hottest part of the Earth. 0000000925 00000 n 6 0 obj (�� ��li�r{��l�C��Ҧ�����j&���S_���1��=,�t���;o�fi��/f����Dendstream 9 0 obj %%EOF First, we look at the rocks under foot at a familiar scale and then at diagram-25 Feet 0 0.005 Mile FIGURE 1. (�� HomeFall 2020 Tutoring Test Prep Worksheets Pricing About Us Blog Free Trial Login Terms of service Privacy Policy Money Back Guarantee Technical requirements FAQs Job Opportunities Sitemap, Connect with us +1-269-763-4602 +1-269-763-5024, Online test prep and practice SCAT CogAT SSAT ISEE PSAT SAT ACT AP Exam, Science Tutoring Physics Tutoring Chemistry Tutoring Biology Tutoring, Math Tutoring Pre-Algebra Tutoring Algebra Tutoring Pre Calculus Tutoring Calculus Tutoring Geometry Tutoring Trigonometry Tutoring Statistics Tutoring, Quick links Free Worksheets Fact sheet Sales Partner Opportunities Parents Our Expert Tutors Safe and Secure Tutoring Interactive Online Tutoring After School Tutoring Middle School Tutoring High School Tutoring Home Work Help, ©2020 eTutorWorld Terms of use Privacy Policy Site by Little Red Bird, ©2020 eTutorWorld Terms of use Privacy Policy Site by Little Red Bird. Gravel pit compared with Bat Cave in Carlsbad Caverns. I. d�3k+Aq%�O�j���LT��z2C�� p��iQ�N1���(�m$X1���iN����0�8����|p/�.=�N�����%gR��zx\C*�O� ΆYp(U��՚�^HL�涩��a�}�>����:0ٜ�;;'��"��n\�k�}e�A��zS'���� �9����&��^hf@� 5t? Name the three layers that make up the earth. The upper mantle makes the plates of the lithosphere move on this hot, liquid magma right below the lithosphere.
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