We have been studying Mixtures & Solutions in the science lab with Mrs. Hwande this month. One of the things we have learned is that solids have different properties which can help us identify them. One of these properties is solubility; its ability to dissolve and how much of it can be dissolved in a given amount of water. Yesterday morning, Mrs. Hwande provided students with a mystery substance and a chart with a list of possible solids. Students were charged with using the property of solubility to identify the substance. This process requires students to mix the substance with water in increasing amounts by shaking it. Why would we want to simply shake it, when we could dance, too? Enjoy checking out our work!
Using a filter to separate the solution from the undissolved solid.
Using a balance to determine the mass of the solution, which allows us to figure out solubility with some simple math.
Kosher salt crystals from an earlier investigation. Notice the trademark square shape with the X on top which helps us identify this as a kosher salt crystal.
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