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Think about it. Pure substances: elements and compounds
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Remember what you have studied in this section and answer the questions: Make a list of metals you know. What are they used for? Draw a spider diagram linking the keywords together. Start with pure…
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Match. The structure of a construction
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Match the definitions to the terms: They rest on the pillars. They rest on the beams. They are vertical supports which rest on the foundations. The pillars stand on this solid structure. A resistant…
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Did you know?
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Yeasts are microscopic fungi that reproduce by budding. In this process, a protuberance (or bud) forms, which may separate from or remain attached to the parent organism. Yeasts are of great economic…
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Genetics | Xplore Health | Do we speak the same genom?
Xplore Health Organización
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In this video, researchers explain to us a new project which attempts to unify the method used in different laboratories to read the information written in genes. The aim is to made advances in the…
- De 15 a 30 minutos
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Structures
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The structure of a construction Constructions like buildings and bridges are influenced by loads and forces. These are push or pull factors created by the weight of the building materials and the way…
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Final self-evaluation 06 - Living things
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Complete with the correct words: Some living things are made up of just one . The covering that surrounds the cell is the . The controls what the cell does. A is an instrument used to look at very small…
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Complete. Chemical method
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Complete the text with the missing words: acid – bubbling – calcite – characteristics – dioxide The chemical of minerals are also used for identifying them. For example, hydrochloric attacks…
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True / False. The Incas and the Aztecs
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Are these sentences true or false? The Incas used iron to make weapons. The Incas lived in the highlands of Bolivia. The Aztecs lived in the highlands of Mexico. The Aztecs built large temples where…
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True/false. Energy sources
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Decide if the following statements are true or false: The Sun and coal are energy sources that will never run out. ➝ Forces produce movements and deformations in objects. ➝ It doesn't matter if…
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Answer. Materials and their properties
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Remember what you have studied in this section and answer the questions: What are the two main groups of materials? What does resilient mean? And what does elastic mean? Think about the materials that…
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