Read introduction and conclusion of this paper:
Hrepic 2002
Read first two examples of conceptual change in childhood in this
paper Vosniadou 1994
(those related to the concept of Earth starting on page
52 and those related to the day/night cycle starting on page 56 and
finishing on page 59)
Mental model definition and
context dependence - Excerpt from Zdeslav Hrepic's MS Thesis
(sorry about issues in bibliography formatting in this
excerpt - reformatting from older version of EndNote software had
limited success)