“…The emphasis of early programs like the Nuffield Junior Science Project and the Schools Council Science 5-13 Project was on the development of investigative procedures. Thanks to such papers as Black (1980), Harlen (1978), and Kerr and Engel (1980), there is now a growing interest in the fostering of concepts. Th date, however, there has been little discussion about how fostering might be achieved and work summarized by Driver, Guesne, and Tiberghien (1985), Gilbert and Watts (1983), McDermott (1984) and Osborne and Freyberg (1985) hints at trouble.…”