At a granular level‚ rocks are composed of grains of minerals‚ which‚ in turn‚ are homogeneous solids formed from a chemical compound that is arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds. The types and abundance of minerals in a rock are determined by the manner in which the rock was formed. Many rocks contain silica (SiO2); a compound of silicon and oxygen that forms 74.3% of the Earth’s crust. This material forms crystals with other
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processes in the rock cycle. External processes include weathering which is the disintegration and decomposition of rock at or near earth’s surface. Mass wasting which is the transfer of rock material downslope under the influence of gravity. And erosion‚ which is the removal of material by a mobile agent‚ usually water‚ wind or ice.. These are all called external processes because they occur at or near earth’s surface and are powered by energy from the sun. If two identical rocks were weathered
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Humans have tried to predict the weather for millions of years. Our ancestors monitored changes in their environment along with the behaviour of animals to help them predict the weather. Through development of our understanding‚ of the atmospheric patterns and the relationship to weather dynamics‚ today it is much easier to forecast a more accurate weather prediction. To better understand the mechanisms which control our weather and climate‚ we have to look at the Earth’s atmosphere. In particular
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Weather “ Weather is the condition of the climate in a particular place at a particular time.” The weather is all around us‚ all the time. It is an important part of our lives and one that we cannot control. Instead the weather often controls how and where we live‚ what we do‚ what we wear and what we eat. Someone who studies the weather is called a meteorologist. Weather predictions are made by forecasters who you see on television. DIFFERENCE BETWEEN WEATHER AND CLIMATE Weather
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The humble washing machines have helped us save our time and energy to a large extent. Today‚ washing machines are the most sought mechanical devices in the modern society among all the consumer goods. Earlier‚ people had to soak their clothes in soap water for hours together‚ then scrub the stubborn dirt‚ rinse and then dry the clothes. Drying also took days together. However‚ with the introduction of washing machines‚ washing the clothes became easier. The machines would dry the clothes at least
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Formation of Rocks The three main ways rocks are formed: • Sedimentary rocks are formed through the gradual accumulation of sediment: for example‚ sand on a beach or mud on a river bed. As the sediment is buried it is compacted as more and more material is deposited on top. Eventually the sediment will become so dense that it is essentially rock. This process is known as lithification. • Igneous rocks are rocks which have crystallized from a melt or magma. The melt is made up of various components
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Project Number: 030411-114414 - DCB IQP 1002 Artificial Intelligence Through the Eyes of the Public An Interactive Qualifying Project Report submitted to the Faculty of the WORCESTER POLYTECHNIC INSTITUTE in partial fulfillment of the requirements for the Degree of Bachelor of Science by ____________________________________ Matthew Dodd ____________________________________ Alexander Grant ____________________________________ Latiff Seruwagi Approved: __________________________________________________
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mineral resources is increasingly being used in human economic development‚ and application scope is continuously expanding. This is the many resources ore basalt‚ one of the most notable example. In recent years‚ with the urbanization process and the construction of infrastructure‚ to develop‚ the demand of basalt raw materials more exuberant‚ basalt investment prospects also become very clear‚ and its production demand also give crusher‚ making machine and so on sand mining machinery and equipment to
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state’s premier‚ Campbell Newman‚ who visited the city. "I’ve seen the city from the air‚ I’ve seen perhaps even more extraordinary sights than we saw two years ago in south-east Queensland‚" he said‚ referring to the devastating floods of 2011 in which an area the size of France and Germany combined was inundated. In the state’s capital‚ Brisbane‚ home to more than 2 million people‚ the Brisbane river peaked on Tuesday at below predicted heights and well below the
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What? And How? 1. How is lightning formed? Cumulonimbus clouds must become electrically charged therefore‚ in most rain clouds the bottom of the rain cloud is negatively charged and the top is positively charged. Lightning is created as a discharge of built up energy due to the separation of positive and negative charges which are generated inside the thunderstorm. 2. How are tornadoes formed? Tornadoes form in unusually violent thunderstorms when there is sufficient instability‚ and wind shear
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