Recursos educativos página 14793

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Did you know?
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The blue whale is the largest animal that has ever lived on Earth; it can measure over 30 m and weigh up to 130 tonnes. When a blue whale calf stops drinking its mother's milk, it measures 15 m.…
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Compare the photos
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Look carefully at these two photos and answer the questions: In which of the two species has internal fertilisation taken place? Which of the two species is viviparous? ¿Cuál de las dos especies…
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Classify. Reflex or voluntary
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Classify the following actions as either reflex or voluntary: Coughing Reading Salivating Walking Bending over to pick up a coin Removing the hand when touching something hot
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Choose the correct answers. Terrestrial ecosystems
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Choose the correct answer: What amount of rainfall is usually experienced in the steppes? What crops can be found in the steppes? The terrestrial ecosystem that looks different in each season is .. The…
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Final Autoevaluation T07 08 - Energy inside the Earth
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Indicate which concepts refer the following definitions: The forces that cause mountain chains to form are... Mountain chains are formed over ... The Andes mountain chain was formed by... A depression…
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Did you know? Matter
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To measure distances in the universe, we use the light year, which is the distance light travels in one year. To calculate this distance, we have to multiply the speed of light in kilometres per second…
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The nature of light
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2.1. What is light? Light has an undulatory nature; this means it is made up of waves. Visible light (that can be seen by the human eye) belongs to a larger group of waves called electromagnetic waves.…
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Did you know...
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A 'pronunciamiento' is a rebellion or coup by one faction of the army. It is usually led by someone in high command and carried out in order to replace one government with another. Although…
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Initial evaluation T5 02 - Society and industrialisation in 19th century...
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During the 19th century many peasants emigrated to the cities. Can you explain how this rural exodus affected Spanish cities?
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War on free trade
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Today's free traders threaten to leave us all idle, opening doors to foreign goods. So we who pay today, who produce, declare that we ask only to live from our work. If grain, fabric, cloth, come…
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