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Match. Internal forces (3)
EduBook Organización
- 3455 visitas
Match the elements to explain the characteristics of a volcanic eruption: Gases, ash and lava are expulsed and deposited on the Earth's surface and into its atmosphere. Magma erupts, via a crater,…
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True / false. External geological forces
EduBook Organización
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Are these sentences true or false? The main external geological forces are wind, fire and snow. There are five phases of external geological action. The erosion of the Earth's surface occurs in this…
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Observe. The Earth from space
EduBook Organización
- 3155 visitas
Look at the satellite images and answer the questions: How would you describe the surface of the Earth as seen in satellite photographs? What are the main colours of the Earth in the photographs? What…
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Unit 6: The natural environment. Ecosystems
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Abiotic (adj): relating to the environment, not living things. aquatic (adj): relating to water. biome (n): a large area of the Earth which has similar plant and animal populations. biosphere (n): the…
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Reflection and refraction of light
EduBook Organización
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4.1. Bending of light rays The effects of reflection and refraction of light happen because of the linear propagation of light. 4.2. Reflection of light Reflection happens when light rays meet a smooth…
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What is atmospheric pressure?
EduBook Organización
- 3036 visitas
Air has weight, even though it is very light. The atmosphere is a layer of air. The weight of this air applies pressure on the Earth's surface. Atmospheric pressure is not the same everywhere on the…
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Earthquakes
EduBook Organización
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3.1. What is an earthquake? An earthquake is when the ground vibrates or shakes. It can last from a few seconds to a few minutes. The focus of an earthquake, also called the hypocentre, is the point…
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Complete. Extracting minerals
EduBook Organización
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Complete the text with the missing words: concentrated – scarce – passages – geológico – deposits – opencast – mines – underground Some minerals of economic interest are . Sometimes they…
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Complete. Representations of the Earth
EduBook Organización
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Complete the text that explains the different ways used to represent the Earth: The is the representation of the Earth in the form of a sphere, while the represents all or part of the planet's…
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5. Self-evaluation - The representation of the Earth: maps
EduBook Organización
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Complete this text on the representation of the Earth: To study an area of the Earth's surface we use , which is the way have represented our planet for many years. At first, this difficult job was…
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