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The origin of coal
EduBook Organización
- 2338 visitas
Much of the coal on Earth was formed 300 million years ago, during the Carboniferous period. The coal was formed where the climate was hot and humid, and there were extensive areas covered in lush…
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Temperature and insect growth
EduBook Organización
- 2308 visitas
The body temperature of an insect varies according to the temperature of its surroundings. This is why insects grow more quickly in summer and more slowly in autumn and winter. Each species has its own…
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The Universe - The Universe
EduBook Organización
- 2272 visitas
The Universe is made up of all the celestial bodies and all the enormous space around the celestial bodies. The most important celestial bodies are the stars. Stars Stars are gigantic balls of very hot…
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The propagation of heat
EduBook Organización
- 2248 visitas
Heat transfers from a hot object to a cold object by means of three mechanisms: conduction, convection and radiation. 6.1. Conduction Heat is transmitted through solid substances by conduction (figure…
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Etnonet 1.0: Descubre Galicia
Tiching explorer Organización
- 2917 visitas
Actividad "hot potatoes". El proyecto Etnonet busca que los alumnos gallegos conozcan la variedad paisajística y cultural de la región en la que viven. Todas las indicaciones e instrucciones…
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Final Autoevaluation T07 03 - Energy inside the Earth
EduBook Organización
- 2151 visitas
Complete the text using the following words: subduction - edges - Iceland - hot spots - mid-oceanic Most volcanoes are found along the of tectonic plates. This is especially common in areas like ridges…
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Unit 2: The Earth's climate zones
EduBook Organización
- 2001 visitas
Bush (n): a large plant with lots of branches that is smaller than a tree and grows close to the ground. desert (n): an area of land that receives less than 250 mm of rain per year. Deserts can be hot,…
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Complete. The anomalous expansion of water
EduBook Organización
- 1921 visitas
Complete the text on the anomalous expansion of water: density – increase – expands – freezes – water– float – volume Almost all substances in size when they get hot and when they cool.…
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Evaluación. Actividad 2
EduBook Organización
- 1733 visitas
Luis mide 1,39 m y su hermana pequeña, 0,95 m. Ambos han ido con sus padres a pasar el día en un parque acuático: Observa la lista de precios de las entradas y averigua cuánto cuesta la opción…
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Correct. Heat
EduBook Organización
- 1691 visitas
Correct the following sentences: The Sun is an artificial source of heat. The Sun is source of heat. A radiator is a natural source of heat. A radiator is source of heat. Heating an object decreases its…