IKASKUNTZA BALIABIDEAK
-
Mechanical energy
Mechanical energy is what is produced by mechanical type forces, like elastic and gravitational forces.The following three pictures show situations involving mechanical energy.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
The internal combustion engine
The educational resource shows an interactive animation about the internal combustion engine: in real combustion engines, the energy is extracted from the combustion of some type of fuel, which has been injected into a cylinder, finely pulverised and mixed with oxygen. Then the combustible mixture is compressed and ignited to explode. That is why these engines are known as combustion engines.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
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.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
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.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
Biomass energy
The educational resource shows information about the concept biomass energy and its advantages and its disadvantages.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
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.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
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.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones -
Energy sources
The educational resource shows information about the energy sources: energy sources are the resources which exist in nature from which human beings can obtain energy which they can use for their activities.
Jakintza-arloHezkuntza-testuinguruaBaliabide motaColecciones