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Recursos educativos
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Final self-evaluation 05 - The Earth's surface: shaping human activity
EduBook Organización
- 1868 visitas
Choose the correct answer: This very irregular stretch of Spain's coastline is made of old rock that has been highly eroded over time: This element of Spain's relief is surrounded by the Montes…
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Unit 7: Energy inside the Earth
EduBook Organización
- 1815 visitas
Ash (n): the fine grey or black powder that is left after something has burned. It is one of the materials ejected when a volcano erupts. basalt (n): a type of black volcanic rock. bomb (n): a large…
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The temperature of the earth
EduBook Organización
- 1783 visitas
Inside the Earth, temperature rises when you get nearer to the centre. This increase in temperature is known as the geothermal gradient. It is calculated that in the outer layers, it is 1 °C for every…
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What is sedimentation?
EduBook Organización
- 1784 visitas
Sedimentation is the process of depositing materials. It can happen in different ways: Dissolved material in a river may be deposited if the water evaporates. A rock mineral called calcite is formed in…
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Self-assessment T01 01 - Our planet Earth
EduBook Organización
- 1779 visitas
Are these sentences true or false? The crust is between 100 km and 500 km thick. The mantle is at the centre of the Earth. The liquid rock near the centre of the Earth is called magma. The rocks in the…
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Prediction - The Two Tunnels
EduBook Organización
- 1796 visitas
Put these events from Chapter Four in the order you think they happened. The first one has been done for you. They ran out of water after the first day of their return journey. Although they didn’t…
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Modal Verbs "must" and "can't"
EduBook Organización
- 1782 visitas
‘I saw layers of rock with moss fossils. “We can’t be in the Cambrian Period because there wasn’t any moss then,” I thought. “So we must be in the Silurian.”’ We use the modal verbs must…
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Modal verbs
EduBook Organización
- 1786 visitas
Axel is walking along the tunnel and thinking. Match the correct option. This is interesting. Red rock. it be from the Devonian Period? It . I ask the Professor. Where is he? He be behind me, with Hans.…
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Final self-evaluation 10 - The Universe and our Solar System
EduBook Organización
- 1688 visitas
Are the following sentences true or false? A medium-sized star ends its life cycle as a black dwarf. Large, dense stars end their life cycles as white dwarfs. Large, dense stars explode and become…
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