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Recursos educativos
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- Ilustraciones del ciclo del agua
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- Actividades de geometría
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Changes of state
EduBook Organización
- 1882 visitas
2.1. Changes of state of water Water is the best known example of a substance that occurs in the three states. Changes of state are caused by the action of heating or cooling (or changes in pressure).…
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Choose. Pollutants
EduBook Organización
- 1888 visitas
Are the following substances primary or secondary pollutants? hydrocarbons carbonic acid nitric acid carbon monoxide sulphuric acid nitrogen oxides toxic metal particles
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Choose. Atmospheric phenomena
EduBook Organización
- 1886 visitas
Match each phenomenon with its description: Movement of air from one place to another because of differences in the pressure between the two places. Water droplets and ice crystals that fall from clouds…
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True/false. The atmosphere
EduBook Organización
- 1884 visitas
Are the following sentences true or false? The Earth has always had the same atmosphere. The most abundant components of the atmosphere are carbon dioxide and water vapour. Everywhere in the…
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Complete. Water treatment
EduBook Organización
- 1887 visitas
Match each the name of each place with the correct number: treated water – waste water – water collection – reservoir – industry – sea – sewage treatment plant water purification plant –…
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Final self-evaluation 3 - The Hydrosphere
EduBook Organización
- 1882 visitas
Choose the characteristic of water that causes each of the following phenomena: Seas breezes. Temperate climate in coastal areas. It maintains life in the oceans during winter. Salt water in seas and…
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Final evaluation 4 - The Diversity of Life
EduBook Organización
- 1889 visitas
List the five kingdoms of living things and give an example of an organism that belongs to each one.
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Before you start - The Animal Kingdom (II). Vertebrates
EduBook Organización
- 1881 visitas
Didactic objectives To know the general morphological characteristics of vertebrates and the groups included. Compare, differentiate and describe various specimens of fish, amphibians, reptiles,birds…
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Match. Continents and oceans
EduBook Organización
- 1890 visitas
Match the oceans with the continents that they separate from the others: Africa Eurasia Oceania America Antarctica
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Answer. Economic agents 02
EduBook Organización
- 1891 visitas
How are companies classified according to their activity? And according to their size?
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