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Body and Brain (videos)
PBS Kids Organización
- 2 lo usan
- 3194 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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Complete - Remember
EduBook Organización
- 1947 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
- 2538 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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The resistance of a wire and its dimensions
Tiching explorer Organización
- 2136 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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Unit 5: The Atmosphere
EduBook Organización
- 1702 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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Match. Electric motors and alternators
EduBook Organización
- 1675 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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Complete - Remember
EduBook Organización
- 1634 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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Complete. Nuclear energy
EduBook Organización
- 1628 visitas
Complete the text about nuclear energy with the correct words: electricity radiation uranium Nuclear power stations use as a source of energy. They use it to produce . The great disadvantage of this…
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Non-renewable sources of energy
EduBook Organización
- 1578 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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Investigate. Electrical energy
EduBook Organización
- 1523 visitas
The amount of electrical energy produced in hydroelectric power stations depends on the amount of water stored in the reservoir. When there is a drought, less electrical energy is generated because…
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