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Think about it. The propagation of heat
EduBook Organización
- 2799 visitas
Remember what you have studied in this section and answer the questions: What does the heat absorbed during a change of state transform into? Why is heat absorption needed when a liquid changes to gas?…
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Calculate. The speed of light
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- 2799 visitas
The Sun's light takes approximately 8 seconds to reach the Earth. How far is the Sun from the Earth? d = km If the average distance from Pluto to the Sun is 5.9 billion kilometres, how long does it…
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Self-assessment T02 04 - Spain's population
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Choose the correct answer: How many inhabitants does Spain have? When was the biggest increase in the Spanish population? Why is there an uneven distribution of Spain's population? What are the most…
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Analyse. World economic powers
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Look at the map and do the activities: Name the main world economic and military powers. Which continent do you think holds the most power? Give three reasons why you think this is so. Which group does…
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Measurement. Magnitudes and units
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1.1. Magnitudes Matter has two general properties. It has mass and volume. Mass and volume are magnitudes. Everything that can be measured has a magnitude. Time, length and temperature can all have a…
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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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Think about it. Manifestations of the Earth's internal energy
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Remember what you have studied in this section and answer the questions: Why do tectonic plates move? Explain how they move in relation to each other. Why does material from the deepest part of the…
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Interpret. The path towards war
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Look at the map and answer the questions: Use the map to explain Italy and Germany's aggressive foreign policy and mutual assistance pacts. ➞ Which areas did ... annex? Was ... an ally of ...? Why…
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Final Autoevaluation 6.04 - The natural environment. Ecosystems
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Answer true or false: Soil type does not determine the type of vegetation that occurs. Poorly developed soils have very thin horizons. Plants grow best in soils with very thick horizons. The roots of…
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Answer. Amniotic fluid
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In order to be protected inside the uterus, the fetus or embryo is surrounded by a bag that contains a liquid called amniotic fluid: Make a drawing of the photo of the fetus in your notebook, and label…
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