Recursos educativos electricity página 9

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Metals
EduBook Organización
3107 visitas
Metals are materials that conduct heat and electricity. Some metals occur naturally, such as gold and silver. The majority of metals, however, are obtained from minerals called ores. For example,…
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Complete - Remember
EduBook Organización
2964 visitas
Complete: Energy is what makes objects move, or change temperature or . Sources of energy can be like the Sun or the wind, or , like coal and oil. Electricity travels to our houses, offices and…
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Video: Nuclear Power
Esl video Organización
4122 visitas
This 1 minute video explains how water is heated to generate steam and then electricity in a nuclear power station. It focuses on the 3 water loops and doesn't go into details about nuclear fission.…
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Body and Brain (videos)
PBS Kids Organización
2 lo usan

3693 visitas
Collection of videos for young students in relation with human body and brain. There are videos about: Body Electricity, Bogs, Bone Regrowth, Breakfast Science, Double Dutch, Exercise and Memory, Glo…
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Important materials
EduBook Organización
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There are many materials that are very important and useful. 6.1. Metals Metals are common materials that are extracted from minerals. They are used to conduct electricity, build buildings and make…
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The resistance of a wire and its dimensions
Tiching explorer Organización
3109 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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Complete - Remember
EduBook Organización
2342 visitas
Complete: In our great-grandparents' time, houses did not have . They used oil lamps. Most children left when they were 10 or 12, and went to work. In our grandparents' time, flats had…
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Match. Electric motors and alternators
EduBook Organización
2294 visitas
Do these sentences refer to alternators or electric motors? It transforms electrical energy into kinetic energy. The electrical current makes a magnet on an axle move. The spinning of the magnet near a…
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Unit 5: The Atmosphere
EduBook Organización
2279 visitas
Acid rain (n): rain or snow which are acidic due to the presence of secondary pollutants. air pollution (n): when the composition of the air changes due to the presence of contaminants. aurora borealis…
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Non-renewable sources of energy
EduBook Organización
2216 visitas
4.1. Coal Coal is a solid, black rock. It is the fossilised remains of huge masses of vegetation buried under the ground millions of years ago (figure 1). It is used mainly as fuel in coal-fired power…
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