Many teachers view practical work as an essential feature of science education. This study examined whether there had been any changes in the relative importance of the aims science teachers assign to the use of practical work, across the full secondary age range (11-18), since the last such national survey undertaken by Kerr (1963). A stratified sample of representative schools was used in which 912 teachers were sent a questionnaire on their views towards the use of practical work in science with a total of 393 responses (42.5 percent) being received. The coefficient of concordance (Kendall, 1955) of the various rankings and their significance were calculated, as too were the z-scores. The findings suggest that whilst there have been subs...