Recursos educativos página 14449

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Introduction - The age of discoveries
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Christopher Columbus's discovery of America in 1492 is considered to be the beginning of the Modern Age. At this time, the Catholic Monarchs, King Ferdinand and Queen Isabella ruled in the kingdoms…
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The discovery of America
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Columbus arrives in America On 3rd August 1492, Columbus's three ships left the port of Palos in Huelva. After two months, they arrived on the island of San Salvador in the Bahamas. Columbus thought…
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Summaries - The 20th century and the world today
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1. Conflicts in the 20th and 21st century During the 20th century, there were two great wars: the First World War (1914-1918) and the Second World War (1939-1945). They were different from previous wars…
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Complete. The bloodstream
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Complete this text with the correct words: In pulmonary circulation, blood passes from the right ventricle to the lungs through the artery. In the lungs, the blood expels carbon dioxide and collects .…
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True / False. How do muscles move?
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Are these sentences true or false? We only use our muscles to produce movement. When we produce movement or force, our muscles become shorter and thicker because they contract. When the muscle…
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Complete. The functions of the nervous system
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Complete this text with the correct words: The main functions of the system are: Transmit information to the nervous system from the organs via the sensory . Produce appropriate in the central nervous…
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Match. Nervous actions
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Are these nervous actions voluntary, involuntary or reflex actions? Turning on the light in your bedroom. Blinking when an insect flies near your eyes. Controlling your breathing after running. Sneezing…
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Avaliación inicial T9 03 - Os seres vivos
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Responde as seguintes preguntas: Que organismo é máis complexo na súa organización: o ser humano ou unha bacteria? Unha bacteria está formada por unha soa célula?
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Vermes e moluscos
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Os vermes Os vermes son animais de corpo alongado, brando e sen patas. A súa pel é húmida. A maioría dos vermes viven no mar ou en auga doce, como a sambesuga; soamente uns poucos viven en solos…
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O caracol, un animal hermafrodita
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Nos caracois, cada individuo é ao mesmo tempo macho e femia. Durante a unión sexual entre dous caracois, ambos os dous colócanse un fronte ao outro, unidos polo pé. Cada un deposita os seus…
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