Recursos educativos página 8634

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Completa. La Iglesia cristiana
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Completa las frases sobre la Iglesia cristiana medieval: La Iglesia mantenía la unidad de los creyentes y regulaba la vida y privada de toda la comunidad. También prescribía la caridad, la vida…
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El arte del siglo XIX en España y en Valencia
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Durante este período, España siguió la estela de las tendencias artísticas europeas. En cada movimiento se encuentran valiosas aportaciones de arquitectos, escultores y pintores españoles, pero…
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Final Autoevaluation 1.07 - Plant nutrition
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Answer true and false: The raw sap consists of water and mineral salts. The xylem is a tissue shaped like hollow tubes and is made up of dead cells. The elaborated sap is absorbed through the root…
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Reproduction in living things
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1.1. Types of reproduction Reproduction in living things ensures that the species will continue. There are two basic types of reproduction: Sexual reproduction takes place when sex cells, known as…
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The natural environment
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1.1. The energy of the sun and life The ecosphere is a hypothetical zone existing around any star where the temperature allows life to exist. The conditions which make it possible for life to exist on…
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Check. Test yourself
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Remember what you have studied in this unit and answer the questions: Define ecosphere and biosphere. Note down the differences between them. What are decomposers? Give an example. [...]
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Summaries - Matter and its properties
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1. Matter Matter is anything which has mass and volume. For example, the Sun, the Earth, and human beings are all made up of matter. A physical system is any part of the Universe which is made up of…
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The periodic table and chemical formulas
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5.1. The symbols of chemical elements Each one of the 118 known chemical elements has a name and is represented by a chemical symbol. These symbols consist of one or two letters (the first a capital…
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Choose. Changes in matter
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Choose what type of change is taking place in each of these situations: A fire becomes smoke and then ash. A block of ice melts. An iron object let out in the weather develops a layer of rust. A piece…
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Heat and temperature
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2.1. What is temperature? When a body receives energy in the form of heat, it stores it in the form of internal energy and its particles move more quickly. Temperature is an indicator of the speed of a…
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