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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