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Growing Crystals in Gels—Chemical Demonstration Kit

By: The Flinn Staff

Growing Crystals in Gels Chemical Demonstration Kit
crystal formation, crystal growth, crystals, crystallize
Growing Crystals in Gels Chemical Demonstration Kit
crystal formation, crystal growth, crystals, crystallize
Item #: AP6157 

Price: $54.90

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.

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This item can only be shipped to schools, museums and science centers

Product Details

Grow your own spectacular display of long-lasting crystals in gels—using large 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 beautiful over the next two or three weeks! Introduce 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.

Concepts: Crystal formation, solutions/solubility, ions.
Setup Time Required: 30 minutes total over two class periods

Specifications

Materials Included in Kit: 
Acetic acid solution, 1 M, 540 mL
Lead nitrate solution, 1 M, 35 mL
Potassium chloride solution, saturated, 100 mL, 2
Potassium iodide, 33.2 g
Sodium silicate solution, 15%, 1 L
L-Tartaric acid solution, 3 M, 400 mL
Plastic soda bottle, with cap, 1 L, 2


Correlation to Next Generation Science Standards (NGSS)†

Science & Engineering Practices

Developing and using models

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Patterns
Systems and system models
Stability and change

Performance Expectations

MS-PS1-4: Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.