Recursos educativos earth página 131

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The exploitation of natural resources
EduBook Organización
2233 visitas
4.1. The exploitation of resources The rise in population has generated demand for farmland and natural resources. In recent years, we have started to understand the need to conserve the Earth's…
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Blackbody Spectrum
Tiching explorer Organización
3429 visitas
This simulation compares the blackbody spectrum of the sun to visible light. Students will learn about the blackbody spectrum of the sun, a light bulb, an oven, and the earth. They can adjust the…
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An integrated maritime policy
EducaMadrid Organización
7385 visitas
In Europe, the sea is never far away: the coast is almost 70,000 km long, which equals one and a half times the circumference of the earth. Half the population of the European Union lives less than 50…
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True/false. The stars and the Sun
EduBook Organización
2148 visitas
Are the following sentences true or false? The Sun rotates in an anticlockwise direction. The surface of the Sun is hotter than its interior. The diameter of the Sun is a hundred times that of the…
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The feudal nobility
EduBook Organización
2129 visitas
2.1. The king and his vassals According to the Church, monarchs were the representatives of God on Earth. Their mission was to govern their people and maintain a unified kingdom. The territory of the…
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Self-evaluation 8 - Society and the environment
EduBook Organización
2124 visitas
Which statements about climate change are true or false: The climatic conditions of an area can change because of human activity. Climatic variations can also be of natural origin. Without greenhouse…
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Heat and temperature
EduBook Organización
2112 visitas
What is heat? Heat makes an object hotter. It always travels from hot objects to cold objects. Sources of heat Sources of heat produce heat. There are artificial sources and natural sources. Some…
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Volcanoes
EduBook Organización
2110 visitas
2.1. Volcanoes Volcanoes are formed when magma rises to the surface of the Earth (figure 1). During an eruption, there are explosions when gases escape from the magma. The lava pours out and forms lava…
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End-of-unit evaluation - The Plant Kingdom
EduBook Organización
2096 visitas
Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving…
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Did you know?
EduBook Organización
2082 visitas
The mass of an object does not change when you move it from one place to another or take it to the Moon. But weight does vary, because the magnitude of gravity on Earth is not constant at 9.8 m/s2…
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