scheikunde  klas 2B    Niveau PKL/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, vragen trainen

                                             les 4, 16 september      overhoring   TKL    PKL    PBL

                                             les 5, 23 september      uitleg ionen, moleculen, metalen, edelgassen  

                                                                                        uitleg periodiek systeem

                                                                                        vragen over vorm van materie

                                                                                         Het periodiek systeem, vragen



                                                                                     PBL nadruk op eigenschappen van metalen en gassen
                                                                                     legering

                                                                                     huiswerk.  oefenen ionen, moleculen, metalen, edelgassen        materialen: metalen en legeringen

                                             les 6,   30  sept             kwik, natrium
                                                                                                                
PBL  taak eigenschappen van metalen
                                    


                                             les 7    7 okt                   lucht     zuurstof aantonen (H2O2 met bruinsteen)          materialen: zuurstof uit waterstofperoxide en bruinsteen, houtspaander

                                                                                     proefwerk alle voorgaande leerstof

                                             les 8      14   okt              gassen    (CO2 en H2)   aantonen met kalkwater        CO2 uit zuur en marmer,     kaars, hoog bekerglas, gaswasfles, statief
                                                                                     SO2

                                         ` les 9       21  okt               proefwerk alle voorgaande leerstof
                    


                                           les 10        28  okt           scheiden materialen: mengsel zand/suiker       zand ijzer        olie/water
                                                                                                                                                                                                 trechter, filter, reageerbuizen, reageerbuisrekje, pasteurse pippet,
                                                                                                                                                                                                 magneet

                                           les 11      4   nov                 GP