Recursos educativos force página 13

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Introduction - Economic activity in Spain
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Spain has a labour force of over 21 million people who work in three economic sectors. People who work in the primary sector mainly work in farming and fishing. The secondary sector includes mining,…
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Match. Internal forces (1)
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Indicate which internal force these statements refer to: Movement of material inside the Earth puts pressure on its crust. Magma erupts, via a crater, from deep inside the Earth. Deep cracks inside the…
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End-of-unit evaluation - Economic activity in Spain
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Spain has a labour force of over 21 million people who work in three economic sectors. People who work in the primary sector mainly work in farming and fishing. The secondary sector includes mining,…
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Calculate. Forces
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Remember what you have studied in this section and answer the questions: A dynamometer has a spring with a modulus of elasticity k = 150 N/m. What force will be required to extend it 30 cm? Calculate…
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The beginning of life
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1.1. The Earth, our planet The Earth is the only planet in the Solar System that has all of the conditions for life to develop. These conditions are the following: Its size, which allows the force of…
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Unit 6: The age of imperialism
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Acculturation (n): adoption of the ways of a different culture. agricultural products (n): things that are grown in large quantities to be sold. balance of trade (n): the difference in value between a…
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Rivers
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What is a river? A river is a channel of fresh water which contains rainwater or melted snow. Rivers have their source in the mountains. They flow to the sea, collecting water and materials on the way.…
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True or false. Matter and materials
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Are the following sentences true or false? Liquids cannot change their shape. If we apply enough force to a solid, it will change its shape or break. Ice changes into liquid water under any temperature.…
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Self-assessment T03 05 - Economic activity in Spain
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Are these sentences true or false? Most Spanish people work in the tertiary sector. Spain has import and export agreements with the European Union, the United States, Japan and other countries. Tourism…
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Unit 9: Motion and forces
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Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…
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