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Recursos educativos
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Nivel educativo
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Tipología
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Tipo de medio
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Answer. Pre-Roman tribes: the Celts
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Remember what you have studied in this section and answer the questions: Who were the Celts? Where in the Iberian Peninsula did the Celts live? Where did they come from? What were Celtic villages…
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End-of-unit evaluation - Living things
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- 1 lo usan
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There are a great variety of living things on the Earth. Some are microscopic and very simple, like bacteria, and others are very big and complex, like elephants. Even though they are different, all…
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Introduction - Living things
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There are a great variety of living things on the Earth. Some are microscopic and very simple, like bacteria, and others are very big and complex, like elephants. Even though they are different, all…
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Check. Test yourself
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- 4108 visitas
Remember what you have studied in this unit and answer the questions: Why is it easy to compress a gas, but not a solid? What is the difference between chemical elements and chemical compounds? Are…
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Summaries - Matter and Materials
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1. The states of matter and their properties All things in nature are made of matter. Matter is made of different substances with different properties. Matter exists in three different forms or physical…
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Animals are living things (II)
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How do animals move? Animals move in different ways, depending on where they live. Many animals move on land: Cheetahs use their legs to walk and run. Kangaroos use their legs to jump. Spiders use their…
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Introduction - Energy
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We need energy to move. Humans get energy from food. Machines get energy from petrol or electricity. The Sun is a natural source of energy. We call the Sun a renewable energy source because it is…
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Alternative energy sources
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3.1. Alternative energy sources Demand for energy on a domestic and industrial level, and for use in transport, is constantly rising. Traditional, non-renewable energy sources, such as coal and oil, not…
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