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Match. The road and railway network
EduBook Organización
- 1932 visitas
Match the sentences to the type of transport network: It is the transport network that has most improved in recent years. It carries over 9 million passengers a year. This network is radial.It is about…
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Atmospheric phenomena
EduBook Organización
- 1881 visitas
6.1. Wind Wind is the movement of air produced by the differences in air pressure between two different places. These differences occur because the heating of the Earth's surface is uneven. Winds…
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Water vaporisation and evaporation
EduBook Organización
- 1827 visitas
Vaporisation, or boiling, only occurs at the boiling point (100°C). The whole volume of water that is boiling vaporises. Evaporation occurs when only the particles on the surface of the liquid change…
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Small celestial bodies
EduBook Organización
- 1737 visitas
Comets are made up of ice, dust and light rocks. When comets move close to the Sun, some of the ice evaporates and a tail forms. The tail is made up of dust particles. Asteroids are rocky bodies. Most…
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Learn...Meteorogical instruments
EduBook Organización
- 1326 visitas
Specialised instruments are used to record weather variables such as pressure, temperature, humidity, rainfall, wind strength and wind direction. These instruments are found in weather stations. An…
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Heat and temperature
EduBook Organización
- 3419 visitas
2.1. What is temperature? When a body receives energy in the form of heat, it stores it in the form of internal energy and its particles move more quickly. Temperature is an indicator of the speed of a…
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FInal Autoevaluation T12 05 - Waves. Light and sound
EduBook Organización
- 2859 visitas
Make calculations and answer the questions: A robot sent a signal at the speed of light from the planet Mars. It took 3 minutes to reach Earth. How far away is Mars? d = million kilometres A sound is…
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English Bites / Salt Lake
Xtec Organización
- 3038 visitas
Hear about a town's plan to restore its lake. Life here in the Western Australian Wheat belt town of Dumbleyung ticks along pretty slowly. That's not unusual for a country town. But it…
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