Welcome to Richmond Hill Montessori School

Sink or Float

Grade ones discover why some items sink or float

Equipped with a variety of items, including foil, a sponge and a coin, grade ones predicted and tested which articles would stay afloat.


The science experiment explored the density of different weighted materials, and their overall characteristics, including physical makeup (i.e., made of metal, wood, etc.). 

This allowed students to use scientific thinking, like predictions, observations, comparison, experimentation and evaluation. 


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Richmond Hill Montessori & Elementary Private School


A Private School Located in Richmond Hill, Ontario and serving the greater Toronto area since 1986.