Growing Crystals in Gels - Chemical Demonstration Kit
By: The Flinn Staff
Item #: AP6157
With the Growing Crystals in Gels Chemical Demonstration Kit, grow your own spectacular display of long-lasting crystals in gels using large bottles. Introduce students to the wonder of crystal growing with this easy-to-prepare display.
This item can only be shipped to schools, museums and science centers
Grow your own spectacular display of long-lasting crystals in gels—using large sized demonstration bottles! Mix two solutions together to form a gel overnight. Add another solution to the hardened gel and watch amazing crystals begin to form before your eyes! Crystals become more and more beautiful over the next two or three weeks! Introduce your students to the phenomenon of crystal growing with this easy-to-prepare demonstration. Highly visible potassium hydrogen tartrate and lead iodide crystals are grown—making a perfect classroom display. Kit includes a detailed handout with easy-to-follow instructions.Enough materials are included to perform the demonstration seven times.
Concepts: Crystal formation, solutions/solubility, ions.
Setup Time Required: 30 minutes total over two class periods
Materials Provided: Acetic acid solution, lead nitrate solution, potassium chloride solution, sodium silicate solution, tartaric acid solution, potassium iodide, and two crystal-growing bottles with caps.