RECURSOS DE APRENDIZAJE
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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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Electric power
Using this visual you can deduce Joule's law and calculate the electric potential supplied in a circuit.
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Beta particles
Concept of beta particles
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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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acceleration 1
Concept of acceleration (I)
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Data gathering (II)
Concept registration data
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A classical particle in a potential well
Concept of particle in an infinite well
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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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Electricity consumption
The electricity consumption
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Density (calculations)
Concept of density. Performing calculations.
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Half-life
Concept of half-life
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Instantaneous velocity
Concept of instantaneous velocity
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Graph representing work
The area of the graph between the curve F and the X axis, represents the work carried out by the force between the two positions x0 and x. Review how to use the following visual and carry out the two proposed activities for a better understanding.
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Frame of reference
Concept of frame of reference
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