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A picture shows some transformations of energy. The energy from the sun passes to plants, to oil, to coal, to animals and to human beings; they take advantage of it by using the energy from oil, anima ...
Electrical energy is caused by the movement of the electric charges inside conductors. This energy fundamentally produces 3 types of effects: luminous, thermal and magnetic.The following visual tries ...
Mechanical energy is what is produced by mechanical type forces, like elastic and gravitational forces.The following three pictures show situations involving mechanical energy.
Nuclear energy is the energy stored in the nuclei of atoms and it is released in the nuclear reactions of fission and fusion. The following pictures are of a nuclear power station (Civaux) and a nucle ...
The educational resource shows information about the concept of chemical energy: chemical energy is what is produced in chemical reactions. An energy cell or a battery possess this type of energy. The ...
The movement of electrons inside a conductor .
Son secuencias lógicas, presentadas en escenas de Descartes, planteadas en forma inversa, es decir: se dan las situaciones inicial y final, y se pide el cambio ocurrido, qué es lo que ha pasado. O bie ...
Unidad didáctica sobre la biosfera
Este estímulo PISA presenta el planteamiento de obtención de información para realizar un trabajo de investigación previo mejorando la seguridad de las carreteras mediante el uso de una cámara de tele ...
Este estímulo PISA presenta un artículo con dos esquemas de redes tróficas donde se plantea la relación existente entre biodiversidad, redes tróficas y estabilidad de los ecosistemas. Requiere compete ...
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