IKASKUNTZA BALIABIDEAK
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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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Analysis and interpretation, results
Concepts of analysis and interpretation of results within the scientific method
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Among Attraction masses (II)
Concept of attraction among masses
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Experiment
Experiment concept
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Electrical circuit (II)
The following visual explains how the electrical circuit of a torch is represented.
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AC electric generator
The following visual explains how this device works.
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Data tables in UM
Concept of data tables in a uniform movement
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Electric motor
An electric motor receives electric energy in the form of an electric current and produces a movement (mechanical energy).
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Batteries in series
Batteries in series
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Batteries in parallel
Batteries in parallel
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Hydraulic energy
The educational resource shows information about the concept hydraulic energy and its advantages and its disadvantages.
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Fuses
Fusible links or fuses are electronic devices that protect electric circuits.
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Light bulb
Concept of incandescent lamps or light bulbs
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Conservation of energy (I)
The theorem of conservation of mechanical energy states that the work carried out on a body is invested exactly in increasing some type of energy. The visual simulates a moving train.
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Density (2)
Concept of density
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Consumer unit
Description of a consumer unit.
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