Recursos educativos true or false página 177

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David's house
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Houses did not have electricity Clara's great-grandfather lived in a village when he was young. Great-grandfather David's house did not have electricity. People used oil lamps or candles to…
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Peaceful coexistence
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You can like your neighbour or not. You are not obliged to become friends or pay him visits. But what do you do if neither of you want to move? There are only two options: war, which with today's…
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Communication by Internet
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E-mail E-mail (or electronic mail) is a system of sending messages from one computer to another. It is the most popular service on the Internet. The person who sends the message (or e-mail) is called…
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Machines
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Brakes. Vehicles have brakes to reduce speed or stop. Bicycles and cars have brakes. Machines. There are simple and compound machines. They make our work easier. Compound machine. Compound machines are…
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Unit 12: Spain under the Romans
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Mphitheatre (n): an open-air, semi-circular structure built on a hillside in which many people could watch theatre or sporting events. aqueduct (n): a type of bridge built to transport water overland…
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Complete. E-mail
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Complete this text with the correct words: E-mail (or electronic mail) is a system of sending from one computer to another. It is the most popular on the Internet. The person who sends the message (or…
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Let's learn how to... - The earth and the Moon
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Understand a map The map below is a flat representation of the Earth's surface. The ratio of the distances on the map to the real distances is called the scale. We can see the scale in the top…
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Changes of state
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2.1. Changes of state of water Water is the best known example of a substance that occurs in the three states. Changes of state are caused by the action of heating or cooling (or changes in pressure).…
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Learn. Observe how water causes erosion
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What do we need? Two rectangular wooden or plastic boxes with a 1 or 2 cm hole in one of the ends of the box Grass seeds Watering can Garden soil Plastic sheeting Two rubber tubes, 1 or 2 cm in diameter…
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Measures against water shortages
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With these simple measures we can reduce water consumption and pollution: Have a shower instead of a bath. Turn off the tap when brushing our teeth or washing our hands. Only use the washing machine or…
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