Chapter 9 Science Ppt
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This document provides an overview of Earth's structure and the geological processes that shape its surface. It discusses how Earth is layered with an inner and outer core, mantle, and crust. Plate tectonics cause earthquakes and volcanoes at plate boundaries. Weathering and erosion gradually break down rock at the surface through mechanical and chemical means. Minerals and rocks can be identified by their properties and how they form.
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The document provides information about rocks and the interior of the Earth. It discusses three key topics:
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2) There are three main types of rocks - igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma, sedimentary rocks form from compressed sediments, and metamorphic rocks form from changes to other rock types.
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Please LIKE / FOLLOW and SHARE my other social media accounts.
Facebook: https://www.facebook.com/Simple-ABbieC-131584525051378/
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http://tiny.cc/SimpleABbieC
-----------------------------------------------------------------------
Slideshare:
https://www.slideshare.net/AbbieMahinay
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Blogger:
https://simpleabbiec.blogspot.com/?m=1
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The document discusses the layers inside the Earth. It describes the crust as the outer solid rock layer, the mantle as the thick layer below the crust, and the core as the innermost layer. It defines seismic waves, tectonic activities, and different types of rocks like igneous, sedimentary, and metamorphic rocks. It also discusses the rock cycle and provides terms, MCQs, facts, word origins, and an activity related to minerals commonly used to make everyday objects.
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- Weathering and erosion break down and transport rock materials over time in a cycle that is linked to tectonic plate movements and the formation of new
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