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Self-evaluation 2 - Weather and climate
EduBook Organización
- 3519 visitas
Which concepts do the following definitions refer to?: It is the degree of warmth in the air due to solar radiation. It is a gaseous layer more than 1 000 kilometres thick that surrounds the Earth. It…
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Introduction - The representation of the Earth: maps
EduBook Organización
- 3494 visitas
In the past, cartography (or map making) was a very slow process. It involved observation and complex calculations and drawings. Modern maps are made using aerial photos and images from satellites…
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Introduction - Water
EduBook Organización
- 3360 visitas
Water covers a lot of the Earth's surface. We can find water in oceans, seas and rivers. We can also find water in clouds and in snow on mountains. All living things need water. All animals need…
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End-of-unit evaluation - The representation of the Earth: maps
EduBook Organización
- 3354 visitas
In the past, cartography (or map making) was a very slow process. It involved observation and complex calculations and drawings. Modern maps are made using aerial photos and images from satellites…
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The Earth's relief
EduBook Organización
- 3350 visitas
5.1. The relief of the continents The surface of the continents is not smooth or uniform. The relief includes mountains, plains, plateaus and valleys. Islands in the oceans and seas can be part of the…
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Ocean dynamics
EduBook Organización
- 3330 visitas
3.1. How oceans and seas move The water in oceans and seas is always moving because of waves, tides and ocean currents. Waves Waves are caused by wind moving the water on the surface of the sea. The…
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Calculate. Force and pressure
EduBook Organización
- 3234 visitas
Remember what you have studied in this section and answer the questions: What pressure is exerted on the ground by a person with a mass of 80 kg wearing skis with a total surface area of 0.6 m2? We have…
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End-of-unit activities - The representation of the Earth: maps
EduBook Organización
- 3220 visitas
In the past, cartography (or map making) was a very slow process. It involved observation and complex calculations and drawings. Modern maps are made using aerial photos and images from satellites…
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Complete. The Moon
EduBook Organización
- 3170 visitas
Complete the sentences with the missing words: artificial – atmosphere – heat up – hidden – smaller – satellite – satellites – orbits – 28 – 107 – 173 The Moon is the Earth's…
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The beginning of life
EduBook Organización
- 3077 visitas
1.1. The Earth, our planet The Earth is the only planet in the Solar System that has all of the conditions for life to develop. These conditions are the following: Its size, which allows the force of…
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