Recursos educativos página 21462

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Investiga. Components d'una mescla
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Els components de la llet es poden distingir amb un microscopi. Busca informació sobre quines substàncies conté la llet.
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Final self-evaluation 02 - The relief and rivers of Spain
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Match each definition to the correct landform or landforms: A large plateau with an altitude of between 600 and 700 metres above sea level. ➝ Exterior mountain ranges located in the south of the…
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Money
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Money in the form of coins had almost disappeared at the beginning of the Middle Ages. The coins' value depended on how much gold or silver they contained. When trade increased, money became more…
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Answer. Human reproduction and sexual differences
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Remember what you have studied in this section and answer the questions: How is a zygote formed? What does a zygote develop into? What do we call male human beings? And female human beings? Give some…
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Final evaluation 06 - Human reproduction
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Write down these stages in chronological order: The start of pregnancy. A sperm reaches the ovum. Birth. The embryo becomes a fetus. The zygote travels down the fallopian tube to the uterus.
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Complete. Asexual reproduction
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Complete the following sentences: rhizomes single tubers only one sporangia Asexual reproduction requires individual. The potato is an example of asexual reproduction by . Grasses reproduce by . Spores…
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Answer. Matter and materials
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Look at the three photos. Then, answer the questions: Which is a liquid? Which are solids? Which is a gas? If we pour water into a square container, what shape does the water adopt? If we pour the same…
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How mixtures are separated
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Evaporation. During evaporation, the liquid evaporates and the solid crystallises. Salt is separated from seawater at a salt factory using this method. Filtration. In filtration, the mixture is poured…
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Chemical reactions
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What is a chemical reaction? Chemical reactions are processes that turn certain substances into other substances. These are the products of the reaction. Heat is sometimes a product of the reaction.…
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Types of forces
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These photos show the action of two types of forces: some forces produce movements and others produce deformations. Look at the images and classify them as forces that produce movements and forces that…
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