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Recursos educativos
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Did you know?
EduBook Organización
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The mass of an object does not change when you move it from one place to another or take it to the Moon. But weight does vary, because the magnitude of gravity on Earth is not constant at 9.8 m/s2…
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The need for energy. Sources of energy
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3.1. The need for energy through history In prehistoric times, human beings, who were nomadic hunter-gatherers, needed no other energy than fire to keep them warm and cook their food. Centuries later,…
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Choose. The history of energy
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Choose the correct answer: What was the first source of energy for humans? Which machine ushered in the industrial revolution? What is the most important source of energy for the Earth, and not just for…
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Check. Materials that conduct and insulate heat
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Remember what you have studied in this section and answer the questions: What are the three ways by which heat is propagated? Give one example of each. Does matter move in convection? And in radiation?…
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18th century Spain: the Bourbon monarchy
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6.1. The War of Succession (1701- 1714) The last king of the House of Austria, Charles II, died childless. Shortly before his death, he appointed his great-nephew, the French Prince Philip of Bourbon,…
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Match. The formation of the USSR
EduBook Organización
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Match each definition with a concept: A federal state that brought together all the nationalities of the old Russian Empire. The highest authority (legislative power), elected by indirect universal…
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Interpret. The path towards war
EduBook Organización
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Look at the map and answer the questions: Use the map to explain Italy and Germany's aggressive foreign policy and mutual assistance pacts. ➞ Which areas did ... annex? Was ... an ally of ...? Why…
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Describe. Municipal elections in 1931
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Look at the map and answer the questions: In which regions were the Republicans most successful? And the monarchists? What were the election results in the big cities? How can you explain the urban…
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Check. Parties and elections in democratic Spain
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Remember what you have studied in this unit and answer the questions: Use the information on the Spanish political system to deduce features of other EU systems. → Most of them probably do / do not…