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Did you know... Internet domain code
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Each country has an Internet domain code (Spain has .es, France has .fr, and so on). These names can be bought and sold. Tuvalu in Oceania had the domain code .tv. As 'TV' is used to abbreviate…
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Economic activities
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Agriculture During the Modern Age, agriculture was the main source of wealth. The majority of the population were peasants and they worked on the lands of the nobles and the Church. Farming techniques…
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Power stations that use energy
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Power stations convert heat energy into electrical energy that is then used in homes and factories and on the railways. There are two types of power stations that use heat to produce electricity:…
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Materials and their properties - Matter and materials
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What are materials? Materials are the different types of matter that objects are made from. Some materials, like wood, cotton and wool, are found in nature. They are called natural materials. We use…
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Match. The development of navigation
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Match each sentence with the instrument or the part of a caravel ship: It allowed sailing at greater speed. It was used to check the direction the ship was travelling in. It showed the latitude from the…
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Learn... Separation of mixtures
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There are different techniques to separate the components of a mixture. In addition to evaporation, which we already know, there is: Filtration Filtration is used to separate a liquid from an insoluble…
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True or false. Measurement
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Are the following sentences true or false? Volume is an example of magnitude. To measure a magnitude, we compare it with another magnitude. To measure something we have to establish the magnitude of an…
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Unit 8: The great geographical discoveries
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Astrolabe (n): an instrument used to make astronomical measurements, and for calculating latitude in navigation. cabildo (n): a municipal council that governed colonial towns in America. caravel (n): a…
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Our recent past
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Cooker. In the past, people used coal-burning cookers to cook food. Public washing area. Before there were washing machines people used the public washing area in the village. Fireplace. We can burn…
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A caravel
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The caravel made long sea voyages possible. The number and size of its sails helped it travel faster. The caravel had a large hold to carry more sailors and provisions. How many masts did a caravel…
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