RECURSOS DE APRENDIZAJE
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Evolution of stars
The educational resource shows a visual about the evolution of stars. The visual allows you to have an idea of the main properties of a star during its normal life, that is, not during its birth or its death.
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Harmonic vibration
Concept of harmonic vibration
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Density
Concept of density
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Effects produced by forces
Concept of effects produced by forces
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Kinetic energy
The educational resource shows information about the kinetic energy: the kinetic energy of an object is its capacity to change its environment, because it is moving. How far will two balls with different masses and velocities penetrate a block of snow?
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Latent heat
The educational resource shows an interactive animation about the latent heat concept: the energy needed to produce a change of phase per unit mass is known as latent heat.
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Joule´s experiment
The educational resource shows an interactive animation about Joule´s experiment: the mechanical energy of a mass falling from a certain height can be transformed into an increase in temperature inside a liquid.
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Conversion factors
Concept of conversion factors
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Efficiency of a machine
Efficiency is a concept associated with work done by machines.In Physics this concept is defined as the quotient between the useful work done by the machine in a given interval of time and the total work invested in the machine during the same amount of time. The following visual summarises what efficiency is.
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Electrical energy
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 to give greater details about what electrical energy is.
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Indirect measurements
Concept of indirect measurements
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How to measure forces
Concept for measuring the forces. Dynamometer
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Electric potential and work
The educational resource shows a visual about the relation between field intensity and potential: the work carried out by the field when a charged particle moves from one point to another, only depends on the potential at these two points and not the distance covered.
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Carnot´s ideal engine
The educational resource shows an interactive animation about the Carnot's engine: it is a theoretical model, not a real one, but we can already see in it the fundamental characteristics of real heat engines.The system is based on the phenomena of the expansion and contraction of gases through heat gain and loss.
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Free fall in air
The educational resource shows a visual about the free fall in air: when a body falls through a fluid such as air, its shape is important.
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Data gathering (II)
Concept registration data
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Biomass energy
The educational resource shows information about the concept biomass energy and its advantages and its disadvantages.
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Coal
The educational resource shows information about the coal: coal is a light, black substance which comes from the fossilization of vegetable matter. Coal is used as an industrial fuel, in power stations and in home heating. There are 4 types of coal: anthracite, bituminous coal, lignite and peat.You can see how they are formed in the following animation.
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Chemical energy
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 gas burning in a cigarette lighter shows how the chemical energy contained in the gas is transformed into light and heat.
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Fossil fuels
Energy from fossil fuels (coal, oil and natural gas) comes from substances which originated from the accumulation, millons of years ago, of large quantities of remains of living beings at the bottom of lakes and other sedimentary depressions. By clicking on the following controls you can learn more about each one of these fuels.
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