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Final self-evaluation 11.08 - The Animal Kingdom (II). Vertebrates
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Are the following sentences true or false? Reptiles have waterproof skin. Reptiles breathe through gills. A fish's swim bladder gives it information about its surroundings in the water. Birds have…
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Final self-evaluation 9.02 - The Plant Kingdom
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Complete the text with the missing words: stem – multicellular – Photosynthesis – mineral – ground – water – autotrophic – sap – roots – vessels Plants are and organisms that rooted to…
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Initial evaluation 02 - Animals
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Write true (T) or false (F) for each sentence. Invertebrates have bones. ➝ Sea anemones and jellyfish are cnidarians. ➝ Sponges live in the water. ➝ Sea urchins and worms have bilateral symmetry.…
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Check. Climate change
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Review what you have studied and do the activities: Explain in your own words what climate change is and what causes it. Relate what you have studied about the greenhouse effect with the global warming…
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Changing states of matter
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5.1. States of matter You have already learnt that there are three states of matter in nature: solid, liquid and gas. Remember that solid particles have low mobility as they are in a fixed position.…
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Answer. Vertebrates
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Remember what you have studied in this section and answer the questions: What do all vertebrates have? What do we mean by an articulated skeleton? Most vertebrates have limbs that allow them to move.…
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Complete. Parts of a cell
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Complete the following text about cells with the correct words: cytoplasm shapes nucleus cell membrane cells cytoplasm Cells have many different : round, long, square etc. Although they have different…
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Answer. From zygote to birth
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Remember what you have studied in this section and answer the questions: How are oviparous animals born? Which animals have simple eggs? Which animals have more complex eggs? Where do the embryos of…
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Complete. Mammals
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Complete the text with the correct words: bat dolphins four young Mammals look after their until they can take care of themselves. Mammals have limbs, although some, like and whales have turned them…
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Think about it. Heat and temperature
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Remember what you have studied in this section and answer the questions: What two physical phenomena are used to calibrate a thermometer and why? Why do we also use the name centigrade for the Celsius…
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