Recursos educativos down página 40

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Analyse a photograph
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This photo shows an eruption of Mount Etna, in Sicily. Describe what you see in the photograph. Notice the lava flowing down the mountainside. What is it like? Do you think there could be any towns or…
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Complete. Dilation and contraction
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Complete the text with the correct words: heat contraction dilations mass temperature dilation material When objects heat up, the amount that they increase in temperature depends on three things, their…
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Sintetitza. Les malalties genètiques
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Recorda el que has treballat en aquest apartat i contesta: En els casos de l'hemofília o el daltonisme, per què només les dones en són portadores? Explica-ho. Per què hi ha més homes…
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Heat
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What is heat? Heat or heat energy passes from hot objects to cold objects. When an object heats up, it absorbs heat; when it cools down, it loses heat. Temperature is not the same as heat. It tells us…
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Match. The erosion process
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Match the definitions to the terms: When water, ice and wind erode small pieces of rock away from their original location: When sediment is deposited at the mouth of a river or under the sea: When water…
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Complete. The vertebrae
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Complete this text with the correct words: The vertebrae are 33 bones that form a column down the centre of our back, called the column. There are 7 bones at the top of the spinal column that form our .…
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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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Study the Moon for a month
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Study the Moon for a month: For this activity you need a notebook, a pencil, a watch and a compass. Study the Moon every night at the same time. Each night, write the date in your notebook. Use the…
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Reading
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On Saturday morning Jim, Brian and Susan went to Chinatown Police Station. “Good afternoon,” Brian said to the policeman at the door. “What can I do for you?” asked the policeman. “We want to…
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Inhaling and exhaling
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Air is renewed in the pulmonary alveoli of the lungs when we inhale and exhale. When we inhale, our lungs expand and when we exhale, our lungs contract. We use a large muscle called the diaphragm and…
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