structure of the earth exam questions pdf

266 0 obj <>stream d�3k+Aq%�O�j���LT��z2C�� p��iQ�N1���(�m$X1���iN����0�8����|p/�.=�N�����%gR��zx\C*�O� ΆYp(U��՚�^HL�涩��a�}�>����:0ٜ�;;'��"��n\�k�}e�A��zS'���� �9����&��^hf@� 5t? Graben (3 pts) 1. endobj stream (�� (�� The outer core is iron and nickel and the inner core is mostly iron. Try the following. (�� 4 0 R Mantle is basically a composition of iron and magnesium. (�� (�� The distance to the center of the Earth is 6,371 kilometers (3,958 mi), the crust is 35 kilometers (21 mi) thick, the mantle is 2855km (1774 mi) thick — and get this: the deepest we have ever drilled is the Kola Superdeep Borehole, which is just 12km deep. endobj The mean density of material in the oceanic crust is 2.7 g/cm3. (�� (�� �@�>^��&,U�jh�6{�jP!����>�����[���[~���Pwԕ�r�Xne |�3����T �/�d�H#�`r���w ���*� ��h�$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. (�� The crust is made up of heavier rocks having a density of 3 g/cm3. (�� (�� (�� 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. (�� The inner core is in the solid-state whereas the outer core is in the liquid state. Approximately how thick is the lithosphere or crust of the earth? The crust differs in varied thickness from 30 to 70 km under the continents and 5 to 15 km in the ocean levels. (�� �x�8� 6�V� �C�J � �`�/�0>s�ɖ��AŁ�)Fu�>�]x/ȗ��Qg`������ � �uI� 0000001054 00000 n (�� (�� These are tectonic plates, which hold the continents and oceans and are slowly but constantly moving on the Earth’s surface. (�� (�� (�� (�� endobj (�� 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. With its immense heat energy, the inner core is like the engine room of the Earth. (�� (�� 46 0 obj<> endobj Earth – Origin & Evolution (UPSC Notes):-Download PDF Here. (�� (�� Solar System + Universe> Geography MCQ: A set of important 20 multiple choice questions with answers chosen for various types of govt job exams in India like IAS UPSC SSC, CGL, MTS IAS UPSC Railway, and others competitive examinations.. ��li�r{��l�C��Ҧ�����j&���S_���1��=,�t���;o�fi��/f����Dendstream You may schedule online tutoring lessons at your personal scheduled times, all with a Money-Back Guarantee. (�� (�� (�� (�� (�� (�� (�� What is structural geology? (�� The plate tectonics theory, says that the earth’s outer layer, or lithosphere, is broken into several large pieces called plates. (�� Overlying material is often unconsolidated rock, which is made up of loose particles. (�� Earth’s structure Introduction This topic explores the key concepts of Earth’s structure as they relate to: • the structure of Earth • movement of Earth’s crust • earthquakes • tsunamis • volcanoes • rocks. (�� (�� (�� (�� (�� endobj The crust making up the continents is constituted of granite and basalt rock makes up beneath the oceans. Man at the edge of a gravel pit. … �dGd���q��yґ�`�Hy�Xm^�\�%��� p���B�E��W���LT�{���P�6�������r�i�u�9)dzđy{Q�?i Transform plate boundary – slides against each other. ���� Adobe d �� C (�� endobj This intense heat from the inner core causes material in the outer core and mantle to move around. (�� (�� Conrad Discontinuity: Transition zone between SIAL and SIMA, Mohorovicic Discontinuity: Transition zone between the Crust and Mantle, Repiti Discontinuity: Transition zone between Outer mantle and Inner mantle,Gutenberg Discontinuity: Transition zone between Mantle and Core, Lehman Discontinuity: Transition zone between Outer core and Inner core. (�� ]J6KF�jMl����H ��Gj��Dn���Z��A�0[�Z���N�%����"�Rn?b�����u %:�M �m�v����6�$:��7ĨO�'������$�FXOf� >.��5�(p%�Ո}TOB2�x������_�([�o�(��is^/��Rt�A�)�EA�CAڤ�L8�)^%�$�ĂdU0es���iF�PdT�\&���|�E���"x{�tnq�P�-�ck���.�EX"Б�߳��*�FcpP��i?�sr|����]W �6�-���T�ˌ +���W/��ս�?��Hv�n �bu���pL'p�-8s c~��QW�a�q$F�_E�A$�a>��� f�V��|H�� c���eWq� The asthenosphere is the upper portion of Mantle. (�� (�� %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz��������������������������������������������������������������������������� (�� (�� It has a density higher than the crust portion. The core is made up of very heavy material mostly constituted by nickel and iron. (�� I. 0 (�� 1 0 obj<> endobj 2 0 obj<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 3 0 obj<>stream (�� (�� The outer core is the only liquid layer, an ocean of mostly iron and nickel alloy. First, we look at the rocks under foot at a familiar scale and then at diagram-25 Feet 0 0.005 Mile FIGURE 1. The major constituent elements of the mantle are Silicon and Magnesium and hence it is also termed as SIMA. (�� The Earth test questions. (�� (�� (�� (�� startxref (�� Bedrock also underlies sand and other sediments on the ocean floor. Improved seismographs and an expanded seismograph network revealed structures and processes of the Earth’s interior What important, fundamental, insight did Kiyoo Wadati and Hugo Benioff have about deep earthquakes (�� structures in the earth. (�� (�� (�� >> 46 14 (�� Also includes a 'How science works' questions, and practice on how to use a key effectively. (�� (�� (�� <> Structure of the Earth (UPSC Notes):-Download PDF Here (�� %%EOF What are the rheological layers of the earth? What is the basic composition of the mantle? (�� (�� %PDF-1.6 %���� (3) 2. (1) 3. Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. How the Earth is made up? Thrust Fault (3 pts) 18. (�� It is the second layer made of two parts, upper and lower, the thick layer is made of extremely hot, semisolid rock is beneath the crust and is about 2,900 km thick made up of iron and magnesium. (�� x��YI��6������vqIX�axB�$�CgfX���}J�%�m��;o�7�\���*�u����ߑ89������]���W��'�����`i+ϼ�Vof�y�3�g���L��z�$~?���?��"�P�{�d^��_j``����3+�{?�2y�8O�S)!�_"qR/L������s������x~ "��y�PLkv�kRC$|��gN 9 0 obj 3 0 obj (�� 0000003083 00000 n (�� Q����z�%��$�p'j��"���-��e+�r �j�M��-+ሠY^uT>���] p��#����"�M�(�;����$$g��4���cۏr������0g��^�{qRU��@c߄(7jc�B�7F}XK�2�%O���?d�*4��Ё� L� Z@� hŶZ����6 �CPɈfq�Z�bWQ��H��E׵�4Z�沑O���il]�����]��]߳V.��P`������嘻�uj�/�s>�Ol?����7�y�B������m�f+��I��� �Կ��`��1+�pH�k{0�ˎ�m2aOHr#\���h���� QC��]�6fZl�EtНF��������um�a�Yu�4{¢��f���|O܆������E�Ǯ��A� J��ԪoK���fP�,�I��8�Y�G -i����K��v8�OS�s��>˯�m��0�Q��dC\��Z���>i/A|ϨA@�����O��[���Ϧ�]O�@h��F`�~�W�_��w�V���<4s润G���m��cV�H^ϸ �_wT���|��s�f�Bq���+�j�"�`�ݑ�K�>f�rJȯ�CC�i��\|0`�n耥��P��;T;�a��� ��e� ;�4�Q�8�T��xqԬ��͛�#"��R�_ ���r����V�U�6�Z��`S��`8��a>��q�ߟ�>?=&� Gravel pit compared with Bat Cave in Carlsbad Caverns. (�� Test Specifications Test specifications in this chapter describe the knowledge and skills measured by the test. (�� The upper mantle makes the plates of the lithosphere move on this hot, liquid magma right below the lithosphere. (�� 5 0 obj (�� 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. This is the outermost layer of Earth. Name the three layers that make up the earth. (�� (�� This article briefly throws light on these 3 different interior layers of the earth. %PDF-1.4 Just schedule a FREE Sessions to meet a tutor and get help on any topic you want! h��1QE߼a��d*J�F�tZ;����v���$6�Bg T���h5'/����_�LT�x7�΍!s�a�ٞ�o�Q�Pp�#2c�~N��[�Q��Ύ�4�٪5q�9{�?�I���d:;��@�c~�^=�Ӂ����)���O��V�_ �M� M��j�����g��#�jV� ��`;U:C�P-=���ꛎ�;;�_�Z6f�RY�Ȉ�_���,I�t��� The kind of rock seen in the oceanic crust is basalt. GRADE 7 REVISION QUESTIONS SECTION: STRUCTURE OF THE EARTH 1. Get help with your Structure of the Earth homework. What do you understand by plate boundary? Required fields are marked *. %PDF-1.5 %���� (�� <> 0000001160 00000 n 0 (�� EXAM I STUDY QUESTIONS What are the compositional layers of the earth? The first one-on-one online tutoring lesson is always FREE, no purchase obligation, no credit card required. (�� Silica (Si) and Aluminium (Al) are major constituent minerals. The core is two times thicker when compared to the mantle. (�� 0000001810 00000 n (�� The 4 different layers of earth are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust. (�� (�� Normal Fault (3 pts) 17. (�� The inner core is mainly iron in molten form. It is the chief source of magma that finds its way to the surface during volcanic eruptions. (�� (�� (�� (�� (�� (�� (�� … (�� (�� It is solid and made up of iron and nickel with temperatures of up to 5500°C. (�� 1 0 obj Vein (3 pts) 16. The core is extremely hot and pressure here is very high, that is why the iron and nickel is in liquid form. (�� MCQ on Solar System + Universe> GK. <> 0000002780 00000 n (�� (�� (�� Ŷx�7R1�������Oא��E���8�xͱ���. (�� (�� (�� (�� Structure of the Earth (UPSC Notes):- Download PDF Here, Your email address will not be published. (�� It is about 2,300 km thick. 0000002856 00000 n (�� (�� Structural Geology – Review Questions and Practice Exam Short Answer Definition (use drawings where necessary) 13. ] /Count 1 0000001325 00000 n included with the text of a question. Where (at what depth) are their boundaries? The liquid outer core controls most of the earth’s magnetic field, making the spinning action possible as the Earth rotates. The crust making up the continents is constituted of granite and basalt rock makes up beneath the oceans.This is the outermost layer of Earth. /Rotate 0>> (�� �6y��OϪ�R�s�� ��\ T:$��s� (�� (�� (�� (�� H��T�n�@|�W��A��kǗB���&^�K�]7͏��&N�B�D�V�df��s.K (�� (�� (�� 3 high quality differentiated worksheets on the layers of the earth. endstream endobj startxref Geography is a very important component of the IAS Exam. (�� (�� 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=�;�#˝� (�� (�� 0000002559 00000 n (�� The portion of the interior beyond the crust is called the mantle. (�� The mantle is below Earth’s outer crust. 6 0 obj Try this amazing Quiz: Earth Structure Trivia Questions! What do we call the thick, warm liquid rock that is found in the mantle of the earth… Slickensides (3 pts) 14. It is also possible that the movements generate the Earth’s magnetic field, called the magnetosphere. (�� (�� 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 Earth's Interior Practice exam questions written by Timothy H. Heaton, Professor of Earth Sciences, University of South Dakota. 0000000576 00000 n (�� En echelon fractures (3 pts) 15. (�� 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. (�� 0000000925 00000 n Next Question > Crust. (�� Listric (3 pts) 20. (�� (�� (�� The continental crust is thicker in the areas of major mountain systems. 0000002296 00000 n (�� (�� (�� The inner core is the hottest layer, above 9000 Fahrenheit and it is 1250 km thick!. (�� %PDF-1.4 %���� (�� Geography is a very important component of the IAS Exam. What are their compositions? No credit card required, no obligation to purchase. ��(�� QXa˩[U�粨6�D�($v�UDl�`m����@t�-'ɹ�;� Y�º35��,yݾ�"��3����/e�Ɵ԰C�B����:��u{$�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� You need to do some work on the structure of the Earth. <]>> (�� (�� (�� (�� The mantle extends from Moho’s discontinuity to a depth of 2,900 km. endobj

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