3 Part cards blackline masters as a paper extension for the Land and Water Forms lesson. What is it? Models representing contrasting land and water forms.The child fills the forms with water to see the contrasts (for example between an island and a lake).Later the adult will return and give the language for the forms: island & lake, peninsula & gulf, isthmus & strait, cape & bay, system of lakes & archipelagoWhy do we do it? Preparation for the further study of geography.