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Answer. The origin of materials
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Complete the following sentence: Materials that are not found in nature are called materials.
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Initial evaluation 4 - The Universe and our Solar System
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Match each planet with its characteristic: Mars Jupiter Pluto Saturn
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Learn... Distances in the Universe
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The Universe is vast. For this reason, special units are needed to measure these tremendous distances. Astronomers basically use two types of units: the astronomical unit and the light year. The…
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Answer. The Earth, a planet of the Solar System 02
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In which direction does the Earth turn on its axis?
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Answer. The Earth, a planet of the Solar System 03
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How long does it take the Earth to rotate once on its axis?
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Final self-evaluation 10 - The Atmosphere
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Complete the following sentences with the missing words: Carbon dioxide provokes an increase in the greenhouse effect. Acid harms lakes, rivers, forests and buildings. Atmospheric pressure is measured…
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Answer. Ores
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Find information to explain which metals are extracted from the following ores and what we use these metals for: galena - chalcopyrite - hematite - sphalerite - cassiterite - cinnabarite
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Answer. Classification of living things 2.5
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What type of cells are bacteria made up of?
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Reflect. The physical environment and society
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What are the continents? Name the continents on our planet?
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