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Pure substances: elements and compounds
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3.1. Pure substances and mixtures Pure substances are substances which have a fixed composition and properties which allow us to identify them. Mixtures are made up of two or more pure substances. 3.2.…
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Remember - Heat and temperature
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Heat or thermal energy is the energy that a body transfers to a colder body at a certain temperature. Thermal energy is involved in many processes in our daily life, like cooking food, making a hot…
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Summarise. The Industrial Revolution
EduBook Organización
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Summarise the text. Write paragraph headings. Between 1780 and 1850 there was a major transformation of goods production systems: the Industrial Revolution. It started in Britain, and then spread to…
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Interpret. The British fleet
EduBook Organización
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Look at the graph. What technological change did the fleet undergo? What advantages did this have?
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Introduction - The age of imperialism
EduBook Organización
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By the year 1870, the industrialised nations had entered a period of economic prosperity and demographic growth due to advances made during the Second Industrial Revolution. The major European powers,…
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Check. The formation of opposing blocs
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Remember what you have studied in this section and answer the questions: Describe the two blocs and how each one regarded communism. Make a table. What military alliances did each superpower establish?…
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Check. The emergence of new economic centres
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Remember what you have studied in this section and answer the questions: Which countries made up the world's economic centre at the end of the 20th century? Which countries have joined them in the…
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Áreas y volúmenes de ortoedros y cubos. Actividad 10
EduBook Organización
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Un bloque de piedra cúbico mide 3 m de arista. Si cada decímetro cúbico de piedra pesa 7 kg, ¿cuánto pesa el bloque? El bloque pesa t.
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Resúmenes - Cuerpos redondos
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1. Cuerpos de revolución Los cuerpos redondos son cuerpos geométricos que tienen alguna superficie curva. Los cuerpos de revolución son cuerpos redondos engendrados por una figura plana que gira…