Seeking Out Solids and Liquids in Middle School Science

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Ms. Schibuk’s middle school science class is doing a physical science unit focused on exploring what it means to study a material “scientifically,” and also looking specifically and the scientific, ecological, and social issues surrounding different types of toxic materials.  This is a multi-part lab in which the students are working to determine the chemical and physical properties of liquids and solids.  Students began with a mystery mixture that was meant to represent some type of industrial sludge.
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In the first part of the lab they worked to separate the different components of the mixture, which had two liquids and a variety of solids.  Now that they’ve separated the substances, the class is studying the chemical and physical properties of each solid and liquid.  Today, they  focused on finding the density, a key physical property, of the solids and liquids.  Next week, Ms. Schibuk’s class will study some of the chemical properties of the substances.

 

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