Recursos educativos copper página 3

Mostrando resultados de 29

The resistance of a wire and its dimensions
Tiching explorer Organización
3110 visitas
In this interactive simulation students can vary the material (copper, iron or tungsten), the lenght and the cross-section of a conductor and obtain the overall resistance. From here they can infer the…
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Rocks
EduBook Organización
6814 visitas
What are rocks? Rocks are natural materials that are made up of one or more minerals. For example, marble is made up of one mineral, calcite. Granite is made up of three minerals: quartz, feldspar and…
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Complete - Remember
EduBook Organización
5717 visitas
Complete: Minerals and rocks are materials. We can find them under the ground. Plastic and glass are materials. We make them from natural materials. Materials have different such as resistance, density,…
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True/false. The evolution of industry and mining
EduBook Organización
4132 visitas
Are the following sentences true or false?: Most of the coal and iron produced in Spain was for the domestic market. The coal used in Spain came primarily from Asturias and León. In Catalonia,…
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The Metal Ages
EduBook Organización
3658 visitas
4.1. Metalworking The first metal used for tools and weapons was copper, then bronze in the 5th millennium BC, and later iron. These metals were more resistant and efficient than stone. At first they…
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True/false. Agriculture, mining and trade in Roman times
EduBook Organización
3116 visitas
Decide if the following statements are true or false: The Romans introduced highly developed farming methods. ➝ They used animals to plough the land. ➝ Wheat, grapes and olives were not grown in…
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Experiment. Electromagnet
EduBook Organización
3065 visitas
Wrap a piece of copper wire around a steel nail and connect it to a battery so that electrical current flows through the wire. You have made a simple electromagnet. You can use your electromagnet to…
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Mining, energy and construction in Spain
EduBook Organización
2555 visitas
4.1. Mining in Spain Spain produces limited amounts of coal, tin, iron, lead, zinc, mercury, copper, wolfram, potash and sulphur. However, the mining sector in Spain cannot meet the needs of local…
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Debate. The over-consumption of resources
EduBook Organización
2444 visitas
Rich countries consume a lot of energy through burning of fossil fuels or from radioactive minerals in nuclear power plants. However, industry needs large quantities of iron, aluminium, copper, etc.…
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