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Reescriu. Oracions enunciatives a interrogatives, ...
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Transforma les oracions enunciatives que tens a continuació en oracions interrogatives, exclamatives, exhortatives i negatives fent-hi els canvis necessaris: Vas al cine. → ... Comprem un mòbil. →…
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The states of matter and their properties
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1.1. Matter All things in nature are made of matter. Matter is anything that occupies space and can be weighed. Matter is made of different substances with different properties. 1.2. States of matter…
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Answer. Mixtures of materials
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Answer the following question: What is the name of an homogeneous mixture of substances in which the main constituent is metal?
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Final self-evaluation 1.4 - Matter and Materials
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Complete the sentences with the missing words: Changes of state happen through the intervention of . The change from solid to liquid happens when a substance is . The change from liquid to solid happens…
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Choose. Area and volume
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With the following formulas you can calculate flat surface areas or the volumes of geometric bodies. Choose a figure or body for each formula: π x r2 x h → a2 → a x b x c → a x b → 4 x π x…
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Answer. Moon, Earth and Sun 06
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In which phases of the Moon are all three bodies - the Moon, the Earth and the Sun - all aligned?
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Unit 4: The Earth and the Moon
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Annular eclipse (n): when the Moon only covers the central area of the Sun and a dark circle surrounded by a bright ring is visible. atmosphere (n): the layer of gases surrounding the Earth. axis (n):…
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Final self-evaluation 9 - The Hydrosphere
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Complete the following sentences with the missing words: Drinking dirty is a major cause of illness. Human beings should only consume water. Three quarters of the Earth's is covered by oceans. Waste…
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Answer. Bacteria and humans 4.2
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What are bacteria used for in medicine?
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