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Recursos educativos
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Nivel educativo
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Competencias
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Tipología
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Tipo de medio
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True/false. The atmosphere
EduBook Organización
- 1897 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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Atmospheric phenomena
EduBook Organización
- 1871 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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Sound and noise
EduBook Organización
- 1701 visitas
What is sound? Sound is produced by vibrating objects. We perceive sound because we use our sense of hearing. When an object produces a sound, it travels through the air or other objects (walls,…
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Think about it. Materials that conduct and insulate heat
EduBook Organización
- 3104 visitas
Remember what you have studied in this section and answer the questions: Why do we put radiators at the bottom of the wall in a room, and air conditioning at the top? What is the fastest method of heat…
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Answer true or false. Correct the false sentences in your notebook
EduBook Organización
- 8517 visitas
Answer true or false. Correct the false sentences in your notebook: The activity of buying and selling is called trade. → There are two main types of businesses that sell products. → Coins and…
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Answer true or false and correct the false sentences in your notebook
EduBook Organización
- 4877 visitas
Answer true or false and correct the false sentences in your notebook: There are two types of precipitation: rain and now. → The weather can change during the day. → Meteorologists predict…
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Europe under Nazi control (1939-1941)
EduBook Organización
- 4596 visitas
7.1. The great German offensives When Germany invaded Poland, Hitler adopted the strategy of Blitzkrieg ('lightning war'). This involved using Panzer tanks and massive air support, and the…
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Self-evaluation 3 - Weather and climate
EduBook Organización
- 4282 visitas
Which subject do you associate with the following statements?: Water vapour, when it condenses, forms clouds. There are three factors that influence this atmospheric phenomenon: latitude, altitude and…
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Temperature
EduBook Organización
- 4187 visitas
2.1. Atmospheric temperature Atmospheric temperature is the amount of heat in the air from solar radiation. Solar radiation reaches the Earth as rays of light. Latitude, altitude and distance from the…
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Living things and their habitat
EduBook Organización
- 4129 visitas
What is a habitat? The place where a living thing lives is called a habitat. It contains everything that the plant or animal needs to live. In each habitat there are other living things, like plants and…
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