Recursos educativos water página 59

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Think about it. The natural environment
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Remember what you have studied in this section and answer the questions: Why does water exist in a liquid state on Earth but not on other planets? What functions does water have for living things?…
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Complete. Heat and changes of state
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Complete the following sentences with the missing words: When we put liquid water in the freezer, first it goes cold and later it . Liquids at any temperature change to water vapour because of . The…
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Match each feature of weather to one or more of the descriptions
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Match each feature of weather to one or more of the descriptions: The water that falls from the clouds to the Earth. → It tells us how hot or cold the air is. → The movement of air. → …
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Interpret. Molecules and crystals
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Look at the pictures and answer the questions: In what way is a sulphur molecule different from a water molecule? In a glass of water, what is the proportion of hydrogen atoms to oxygen atoms? Describe…
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Complete. Plant nutrition
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Copy and complete the sentences: roots chlorophyll carbon phloem carbon dioxide elaborated sap water oxygen xylem Photosynthesis is the process that allows plants to make food from , and . The sunlight…
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Think about it. Effects of heat on bodies
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Remember what you have studied in this section and answer the questions: Icebergs are large masses of frozen water. Why do they float on top of sea water? Explain how a hot air balloon works. Why does…
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Initial evaluation 1 - The Earth, a Living Planet
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Are the following sentences true or false? Life on Earth first appeared on land. The bodies of all living things contain water. Water helps humans maintain a constant body temperature. The chemical…
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Erosion of the Earth's surface
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External geological forces The main external geological forces are water, ice and wind. These forces normally take material from high areas on the Earth's surface, like mountains, and transport them…
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Weathering and Erosion
Tiching explorer Organización
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Part 2 Planet of Man -- The Uneventful Day Lesson 18 - Part 2 of 7 •Clues on weathering and erosion of mountains •Result of erosion •Water --freezing and thawing •Transport •Appalachians once…
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Video: Nuclear Power
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This 1 minute video explains how water is heated to generate steam and then electricity in a nuclear power station. It focuses on the 3 water loops and doesn't go into details about nuclear fission.…
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