Recursos educativos página 15344

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Completa. Antónimos
EduBook Organización
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Cambia as palabras salientadas nas seguintes oracións polo seu antónimo: Non me gustan as historias tristes. Non me gustan as historias . Mercamos unha casa nova e grande na aldea. Mercamos unha casa…
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Investigate. Respiratory system
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Our respiratory system can be affected by allergies if the air we breathe contains certain substances, like pollen. Asthma and rhinitis are two common types of allergies. What is an allergy? What are…
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Using our muscles
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Atrophy occurs when we do not use our muscles very much for a long period of time. Our muscles atrophy if we break an arm or leg because the cast stops us from producing movement and we cannot use those…
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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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Summaries - Machines and structures
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1. Electrical current An object becomes electrically charged when it contains an electrical charge. Some objects become electrically charged when we rub one against the other. For example, when you rub…
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Self-assessment T10 10 - Machines and structures
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Are these sentences true or false? The structure of a building must be stable and resistant. The structure of many buildings consists of a system of girders, beams and pillars. The beams form the base…
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Think and answer. Science and technology
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Think and answer: Describe what you can see in the photos. Give examples of scientific progress in the 20th century. Do you use the Internet? What do you use it for? What is an e-mail? How do you send…
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Verdadeiro/falso. Características principais do Neolítico
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Sinala se son verdadeiras ou falsas as seguintes frases: O Neolítico iniciouse cara ao VIII milenio a.C. no Sur de Europa. Os avances que levaron ao Neolítico foron o cultivo da terra e a…
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As nosas terras na Idade Media
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O reino suevo de galicia No século V, as terras galegas foron ocupadas polos suevos, que organizaron un reino independente máis alá das actuais terras galegas. Nesta época fundáronse os primeiros…
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Avaliación inicial T12 02 - A reprodución humana
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Escolle para cada función a parte do aparello reprodutor que a realiza: Forma os óvulos. Alimenta o feto. Leva os espermatozoides ata o exterior do corpo. Forma os espermatozoides.
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