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Introduction - Energy
EduBook Organización
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The Sun is the Earth's main energy source. The Sun provides plants and animals with light and heat. This means that they can grow, develop and live on Earth. Heat energy has other effects on…
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End-of-unit evaluation - Energy
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The Sun is the Earth's main energy source. The Sun provides plants and animals with light and heat. This means that they can grow, develop and live on Earth. Heat energy has other effects on…
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End-of-unit activities - Energy
EduBook Organización
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The Sun is the Earth's main energy source. The Sun provides plants and animals with light and heat. This means that they can grow, develop and live on Earth. Heat energy has other effects on…
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Self-evaluation 8 - Society and the environment
EduBook Organización
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Which statements about climate change are true or false: The climatic conditions of an area can change because of human activity. Climatic variations can also be of natural origin. Without greenhouse…
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Analyse. Paper consumption
EduBook Organización
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Read the text and do the activities: Paper consumption Our high paper consumption is having three serious negative effects on the environment: –Every two seconds, an area of trees equivalent to the…
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Syntetize. Think and answer
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Answer the following questions in your notebook: What are the three parts of the Earth? Name the two main types of geological forces. What happens when tectonic plates move? What is lava? What are…
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Air pollution
EduBook Organización
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3.1. What is air pollution? For life to exist, it is essential that the composition of air remains stable. When we pollute the air, we are changing its composition. When we add or remove any component,…
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Check. The consequences of colonisation
EduBook Organización
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Remember what you have studied in this section and answer the questions: How were local landscapes affected by the process of colonisation? What were the negative effects of improved health and…
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On colonialism
EduBook Organización
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There is another point that we should consider: the humanitarian and civilising effects [of colonisation]. We should all agree that the superior races have rights over the inferior races, because they…
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Technological disasters
EduBook Organización
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December 1984. A leak in a pesticide factory in Bhopal (India) causes 2500 deaths. Today there are more than 200000 people still suffering from the effects of the accident. April 1986. A fire starts in…
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