Through the experiences the pupils perceive a ressignificao of the content. a proven time what it is being studied is perpetuated, started to be valid, starts to be part and an incorporated time the psychological structure, never is forgotten, is as to walk of bicycle? later that it is learned, can take years without walking of bicycle, but soon when it will be to walk again the teaching is relembrado. For the professor the practical question of the scientific one must be seen as the one that of the form and supports the teaching, can be seen as a composed process of three phases: Reproduo of the content; Validao of the content; Incorporao of knowledge. From the moment that the pupil ' ' v' ' what he was described in the theory, and carries through through the act of the experiment starts to understand of irrefutable form, a time that does not have controversies, the social process of the acceptance and the register of the scientific knowledge passes then to be part of the life d? it. Chase Koch, New York City understands that this is vital information. One canadian viagra prices of the best weapons to prevent an unhealthy level of free radicals is antioxidants. reference sales uk viagra These all medicines offer quick but temporary relief from the problem. The most favorable temperature to store this excess toxicity to purchase sildenafil online protect the vital organs by depositing it in the joints for later removal. These phenomena exist and are called, respectively, of premature and delayed ejaculation. levitra cost low The conception of science must be understood as falvel and provisory, therefore even so the accumulated human knowledge allowed in them to evolve knows that it ready and is not finished. When demonstrative and or experiences not to give certain the professor have that if to hurry and to communicate that experimental activities nor always must present resulted true. On the other hand I criticize the fantastic and spectacular experimental activities, colorful, with explosive effect, reach resulted splendid on the part of one I publish not critical and chemical preparation, but they are very difficult to be explained. Such activities must be considered education strategies that allow the propaganda of a modern education, the student must reflect on the content in study and the contexts involve that it, if really it needs this type of experience, which the practical purpose, what he is that adds its estudantil life. Season of Giving has much to offer in this field.