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A study of the earth's interior structure is quite helpful in understanding the science behind the earthquake. This sudden 0000007689 00000 n ical investigations the main internal structure of the Earth was revealed within the rst few decades of the twentieth century with the discovery of the earth’s core in 1906 by Oldham and Gutenberg (1912) and the solid inner core in 1936 by Lehmann. 0000009889 00000 n 0000001953 00000 n 0000004086 00000 n 0000005465 00000 n The structure of Earth Earth’s inside structure is quite different to its hard, crusty shell. Man at the edge of a gravel pit. ;�tnz�_�Fm�KWWz?���m����W�}k@86�I��C��y�D7���S[%���'��E�d�D�y&���"�5rB��4�[�Bb��U>Oq'�SpqmAul����:$2M*r#��ĥع���#�sټϣ6�(n���6�b���9�ק�i1�&U�"[q�Ff�� PA3��G>���܉��"�����Cf��A�Q����gt�:�NBȪm?t b)���p��0UݭY�)c�T8�(��QPH�i�$AAtFZZ4A��@$[����K Y�.0��. 160 26 Earth Structure Average density of Earth = 5.5 g / cm3 Density of crust: continents = 2.7 g / cm3 ocean floor = 3.3 g / cm3 this difference reflects mostly a change in composition, some effect from pressure What does it imply that oceanic and continental crust are MUCH lower 0000000016 00000 n Get step-by-step explanations, verified by experts. 0000006805 00000 n 2005 Core Knowledge® National Conference, The Structure of the Earth, 4th Grade 1 The Structure of the Earth Grade Level or Special Area: 4th Grade Written by: Janet Child, John Hancock Charter School, Pleasant Grove, UT and Laura Wirsig, Belle Creek Charter School, Brighton, CO Length of Unit: Seven lessons (approximately nine days, one day = 45 – 60 minutes) Earth structure white art print poster structure of the earth details ilration structure of the earth stock ilration i5099371 at featurepics 10 h structure of the earth structure of the earth things we don t know The Structure Of Earth Earthquakes DiscoveringLayers Of The Earth What Lies Beneath S CrustStructure Of The Earth A Level […] The longest period (lowest order) modes penetrate the core whereas higher order modes mainly sample the mantle. 0000003864 00000 n First, we look at the rocks under foot at a familiar scale and then at diagram-25 Feet 0 0.005 Mile FIGURE 1. H��W˒�6��W` VEߤ쩩�;]v&eOʒ3ΔM�%�)BC��;�����9 %Jݎ�p��E�q��W������t�HX�wW�?+X��"�0c�,��"��bs��/J��_��[��VG�� r�q��Xv�ڏ������dFF>p�M¢(��_�t������!�a����e�e~����g̋R?�����ǃ�|g^����a�`��+��Ƭ�/���pk����{a�x��v[�7�LR?�������EE�o�\D�G|θ�g�G\��OtT�`�1ߩ[�ދ����ʽ�s�k-ދ�6w��[��y�0�?�\��P2{��C��b�\��a|X��i��P� �C��̘�w�R6���D�ɶ]���TM)�]����m�����ھ��V�S��Xz��K���U}Ǻu�m�R���;-~�F �����U��XW�Qs��o��*����T]�}լ�M�d� �Ey,�L��*��7��貂��ی���K 0�Ғ>�B. Layering can be viewed in two different ways: 1. The following planets have rings around them. Earth’s rocky crust is by no means stationary and we regularly see evidence of crust movement in the form of earthquakes. Course Hero is not sponsored or endorsed by any college or university. startxref The periods of the Earth’s free oscillations depend on the elastic moduli and densities of the interior. ÎThose gases eventually escaped to the space. From the radial distribution of the seismic velocity pro le, obtained by processing the tables of 0000010365 00000 n 0 The diÞering sensitivities of the oscillation modes are used to reßne models of the Earth’s internal structure. 0000001600 00000 n 2-Theories-on-the-Origins-of-the-Universe.pptx. At the present level of understandings, earthquakes are usually caused when rock underground suddenly breaks along a fault. 0000004332 00000 n M��j�����g��#�jV� ��`;U:C�P-=���ꛎ�;;�_�Z6f�RY�Ȉ�_���,I�t��� The Earth is composed of layers. Earthquakes in ocean regions produce Earthquakes and volcanoes are most likely to occur at plate boundaries. The structure of … The release of gases from rock through volcanic eruption (so-called @B D�A8WPP�b��F8Y@�IA0*ၬ@�d`q�@h� <<228fd3fe180e0a49a1e8f403d51fa26e>]>> �=,ḿ�� w�I2x�^�������8���!T��! 0000003123 00000 n Earth’s Interior Structure Page 4 of 22 1. %%EOF We sometimes get a glimpse of Earth’s interior through the action of active volcanoes. 6. We sometimes get a glimpse of Earth’s interior through the action of active volcanoes. 0000009300 00000 n %PDF-1.5 %���� 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�>?=&� 0000000816 00000 n %PDF-1.4 %���� The structure of Earth Earth’s inside structure is quite different to its hard, crusty shell. The crust is the layer that you live on, and it is the most widely studied and understood. Density, (mass/volume), Temperature, and Pressure increase with depth. 2005 Core Knowledge® National Conference, The Structure of the Earth, 4th Grade 1 The Structure of the Earth Grade Level or Special Area: 4th Grade Written by: Janet Child, John Hancock Charter School, Pleasant Grove, UT and Laura Wirsig, Belle Creek Charter School, Brighton, CO Length of Unit: Seven lessons (approximately nine days, one day = 45 – 60 minutes) 0000003588 00000 n Internal Structure of the Earth: Earth has layered structure. When the Earth was formed 4.6 billion years ago, Earth’s atmosphere was probably mostly hydrogen (H) and helium (He) plus hydrogen compounds, such as methane (CH 4) and ammonia (NH 3). The mantle is much hotter and has the ability to flow. ��Ř�T. •The Earth is made up of 3 main layers (core, mantle, crust) •On the surface of the Earth are tectonic plates that slowly move around the globe •Plates are made of crust and upper mantle (lithosphere) •There are 2 types of plate •There are 3 types of plate boundaries •Volcanoes and Earthquakes are closely 1 0 obj<> endobj 2 0 obj<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 3 0 obj<>stream This preview shows page 1 - 11 out of 78 pages. The Earth has a radius of about 6371 km, although it is about 22 km larger at equator than at poles. Earth S Interior Structure Webquest 10 h structure of the earth satellite applications for geoscience education 3 d earth structure model 3 d earth structure model. 54-55 and Masters 12, 15, 17, and 18 of Earthquakes (Tremor Troops) - A Teacher’s Package for K-6, FEMA/NSTA, 169 pp., 1988 (note mistake in scale on page 55). 0000005067 00000 n 0000006357 00000 n �@�>^��&,U�jh�6{�jP!����>�����[���[~���Pwԕ�r�Xne |�3����T �/�d�H#�`r���w ���*� ��h�$D���H���M�B���̱'ǖo��5�~���������J:Y�}ծ���%�X&�G}��u�Vq�k:=U �TZ(��e2,;@�ؾ�����r 9�e|�d��0�1�^�l/�;���>5j�ĭ��uS ۵0Et�+c.p�������Ђ� S�S�-A��5{������>V�pɑ����ʹU �5�ﭳ��Ixt6. �m��˂JgO���t��*lPo��4���������#�Q�1a�)��ʲe_����&�� OɰA�6h]�t�Mp�ld{���^P��} };�EY{��Ϲ���[�qE�)f��b(�1�G�;��?��H�N��}�/�Q��FE@�bJ��[���Oh����X8��#��RԴ,��U�H�U�ΉU��&Zk.=�6��9�>$��������h<3���s��{��I|����M�Y�d�ub�"M��S�'��€/�&�Z^#����R�g{Y�l��������f46J�4����n�gTۯ%t�O��.��4����Nl? Earth’s rocky crust is by no means stationary and we regularly see evidence of crust movement in the form of earthquakes. Earth Science _ Origin and structure of the Earth.pdf - Earth Life Science Grade 11 1st Semester Prepared by Ms Donna Grace G Herman Earth Science, Natural Hazards, Mitigation, & Adaptation. View Earth Science _ Origin and structure of the Earth.pdf from EARTH SCI 11 at University of Santo Tomas. The Universe expansion occurred about how, 2. structures in the earth. The Structure of the Earth The Earth consists of four concentric layers: inner core, outer core, mantle and crust. Layers of different chemical composition 2. x�b```�V��� cc`a�X `bF�,�yɴ�ۃ�>/tR���uX͛#���u���h�.֫M�V&�吚�f���Ű��C}¹ �

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