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Learn to calculate your lung capacity
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When we take a deep breath in and then breathe out as much air as possible, the volume of air exhaled is called the vital capacity of the lungs. After forced exhalation, the lungs still contain around…
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The density of ice
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In the change from a solid to a liquid and from a liquid to a gas, there is an increase in volume (expansion). Because the mass is the same, this means that when volume increases, density decreases.…
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Forces
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3.1. What are forces? Forces are the causes of changes in the velocity and direction of objects and also in the shape of objects. The SI unit of force is the newton (N). 3.2. Representing forces To…
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Energy consumption in the home
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The chart shows the breakdown of the consumption of electrical energy of a household of four people. For example, 18 % of the electricity is used for lighting. What percentage of the electricity…
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Think about it. Light, shadow and penumbra
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Remember what you have studied in this section and answer the questions: With a classmate, explain the difference between shadow and penumbra. What is the difference between an eclipse of the Sun and…
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Correct. The Spanish Enlightenment
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Rewrite the sentences about enlightened reformism in Spain and correct the mistakes: The main objectives of the Spanish enlightenment was to achieve demographic growth, social reform, better education…
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Match. Napoleon's political evolution
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Match the events with the date they happened: Napoleon Bonaparte is defeated at the Battle of Waterloo. Period known as the Consulate. Napoleon makes himself Emperor. Napoleon Bonaparte is named consul.…
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Restoration and liberal revolutions (1815-1848)
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5.1. Restoration in Europe Between 1814 and 1815, the European countries that had defeated Napoleon met at the Congress of Vienna. The organiser of the event was the Austrian Chancellor, Metternich. His…
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Initial evaluation T5 05 - Society and industrialisation in 19th century...
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Look at the following photographs and compare the early 20th century car with the current one. What are some of the changes?
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The rise of Nazism in Germany
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4.1. The Weimar Republic In 1918, after Germany was defeated in the First World War, Kaiser Wilhelm II abdicated and the Weimar Republic was proclaimed. Elections were held and a government was formed…
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