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A
xer minación

        Xaneiro 2013
        3º de Primaria
        CEP Brea Segade
 Colocamos unha faba sobre un
    algodón húmido nun vaso
          transparente.
 Cada día observamos e anotamos os
  cambios que vemos nas nosas fabas.
 Comprobamos que o algodón está
 húmido e se non é así botámoslle un
          poquiño de auga.
 As fabas comezan a inchar, cada día
          un pouquiño máis.
 E ao cabo de seis días nalgunhas
empeza a agromar un rabo pequeno.
            Raíz ou talo?
 Confirmamos que se trata dunha raíz
        cando empezan a saírlle
            ramificacións.
 Comezamos o experimento hai 16 días.
 Todas as fabas xerminaron entre os 6 e 7
  días, agás 2 que tardaron 10 e 11 días
  respectivamente.
 2 experientos morreron por manipulación
  indebida das fabas e as súas raíces.
 Neste momento 13 fabas teñen raíces, que
  continúan medrando.
 Repetimos o experimento con 2 fabas novas
  hai seis días. De momento só están máis
  inchadas.
 Continuamos coa observación dos 15
  experimentos.

                       Terceiro de Primaria
                        1 de febreiro 2013

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A xerminación

  • 1. A xer minación Xaneiro 2013 3º de Primaria CEP Brea Segade
  • 2.  Colocamos unha faba sobre un algodón húmido nun vaso transparente.
  • 3.  Cada día observamos e anotamos os cambios que vemos nas nosas fabas.
  • 4.  Comprobamos que o algodón está húmido e se non é así botámoslle un poquiño de auga.
  • 5.  As fabas comezan a inchar, cada día un pouquiño máis.
  • 6.  E ao cabo de seis días nalgunhas empeza a agromar un rabo pequeno. Raíz ou talo?
  • 7.  Confirmamos que se trata dunha raíz cando empezan a saírlle ramificacións.
  • 8.
  • 9.  Comezamos o experimento hai 16 días.  Todas as fabas xerminaron entre os 6 e 7 días, agás 2 que tardaron 10 e 11 días respectivamente.  2 experientos morreron por manipulación indebida das fabas e as súas raíces.  Neste momento 13 fabas teñen raíces, que continúan medrando.
  • 10.  Repetimos o experimento con 2 fabas novas hai seis días. De momento só están máis inchadas.  Continuamos coa observación dos 15 experimentos. Terceiro de Primaria 1 de febreiro 2013