scheikunde  klas 2C    Niveau PBL


                                            

                                             les 1,  26 augustus        Introductie, belang Nederlandse taal, enige regels.
                                                                                    
                                                                                      fasen en  faseverandering

                                                                                     We gebruiken een alcoholvlam omdat de vlam schoon is.

                                                                                      

                                             les 2, 2 september       demonstratie rijpen, videos

                                             les 3, 9 september        stencil fasen,  vragen trainen

                                             les 4, 16 september       destillatie, raffinaderij.    overhoring

                                             les 5, 23/30  september      lassen, solderen, metalen, legering,

                                             les 5,  7/14                       natrium, opdracht metalen voor punt                  materialen: metalen en legeringen

                                                                                       stencil pa siña


                                             les 6        28  oktober                                                               

                                            begin november   gp

 



                                            niet kunnen behandelen:    zuur en aluminium
                                                                                         gassen, lucht                        materialen: zuurstof uit waterstofperoxide en bruinsteen, houtspaander
                                                                                                              
gevaren van zuurstof               CO2 uit zuur en marmer,     kaars, hoog bekerglas, gaswasfles, statief

                                                                                       practicum scheiden                        materialen: mengsel zand/suiker       zand ijzer        olie/water
                                                                                                                                                                                             trechter, filter, reageerbuizen, reageerbuisrekje, pasteurse pippet,
                                                                                                                                                                                             magneet