Welcome to the Headmaster's Blog where you'll find updates, thoughts, and events regarding Saint David's School, the education of boys, and other items of interest. This is by no means meant to be a complete account of all that happens at Saint David's. Please refer to the school's website for more complete details -- it's more a Headmaster's musings.


Friday, October 17, 2014

Density Detectives

Our seventh graders were problem-solving detectives in a recent science Mystery Lab.  Their challenge: to re-create a picture of a beaker with four different liquids resting in separate layers.

To do this, each team was shown a photograph and then given the following materials: four large beakers of mystery liquids, beakers, test-tubes, a dropper, a clear plastic cup, a piece of pasta, paperclip, pop sickle stick, and a marker top.  The boys then embarked upon a lab investigation to find the relative density of the four mystery liquids, and the solids.  Once they solved these problems, they then re-created the picture.  

Mystery solved!




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