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Final evaluation 10 - Matter: Mass, Volume and Density
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An empty can of soda has a mass of 25 g. When it is full of soda, the total mass is 300 g. If we know that the volume of the can is 250 mL, calculate the density of the soda.
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Answer. Atmosphere and weather 1
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What is the difference between weather and climate?
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Did you know?
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Water from oceans, seas and some lakes contains a large amount of different salts, mainly sodium chloride. This salt can later be extracted from the salt mounds for consumption.
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Answer. The water cycle 1
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Name the main stages of the water cycle?
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Final self-evaluation 04 - The Earth's Crust
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Match the beginning of each sentence with its correct ending. Some minerals can only be economically exploited when... All minerals have... Magnetite and haematite... Most minerals are made up of...…
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Answer. The chemical composition of living things 2.2
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What bioelement is most characteristic of living things and is also present in mineral matter?
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Reflect. Bacteria 3.3
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How do autotrophic bacteria obtain energy? Explain this process.
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Final evaluation 7 - The Diversity of Life
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Classify protozoa according to how they feed. Can other criteria of classification be used? If so, which?
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Answer. The animal kingdom 12.1
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Compare any one of these animals with human beings. Explain how they are physically different.
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