Mixture Separation Challenge - Density Sets


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Mixture Separation Challenge
MIX-100

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Using only table salt and water, students are asked to develop a method for separating this mixture of four different small plastic beads. Advanced students can continue on to determine the density of each different polymer! The material in this separation lab can be used over and over again, and because only polymer materials are used, cleanup is as easy as ever. Complete teacher instructions provided. Includes 230 g (1/2 lb) of mixture... , enough for a class of 24 students working in pairs.

Density Identification Set

Students try to identify each of 15 different samples by determining their density.

Density Mystery Set

Ask students to determine the density of 15 identical looking, black plastic specimens of various sizes. Results will vary (hopefully)!

Geological Flow Demo - Deep Sea Round

Rotate the disk and see new sand patterns forming for the next 30 minutes. Great for sedimentary rock formation discussions!

Poly Density Kit

When the 1L bottle is shaken, blue and white beads mix as expected. However, when allowed to settle, a surprising change occurs.