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An introduction to chemistry featuring 1100 different experiments. Designed by Presidential Award winning science teacher.
Safety features include: no use of open flames, no glass containers, childproof safety caps, and environmentally safe materials. A detailed instruction booklet is included for many school science projects.
The solution will be supersaturated when salt crystals begin to collect on the bottom of the pan.
Two options for growing salt crystals:
Soak a piece of cardboard in the solution until it is saturated and sinks to the bottom of the pan. The cardboard will act as a template or base for crystal growth. Put the pan in a sunny location. Crystals will form as the water evaporates.
Simply place the pan of solution in a warm location, and allow crystals to grow without a template. Both methods work. The salt crystal will grow over several days.
Try several pans, and study how the growth of crystals varies between them.
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