Crystals (Chemistry)
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Quiz Experiments Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Why Does Honey Crystallize? [E]
Which temperature will grow the largest and purest crystals when different impurities are added? [P] [P]
Observe the concept of dissolving substances and crystal formation. [E]
Grow your own crystal gardens [E] [E]
Elementary School - Grades 4-6
P=Project   E=Experiment
Why is snow white? [P]
How to Grow the Best and the Largest Crystals [E]
Musical vibrations effect on crystal growth [P]
Make your own stalactite [P]
Discover if sugar crystals grow bigger in a certain type of liquid (water, unsweetened apple juice or 7-Up). [P]
How moisture affects crystal growth [P]
Crystals growing and their chemistry [E] [E]
Grow Your Own Simulated Diamonds With a Big Alum Crystal . [E]
Compare salt crystals and sugar crystals to see which one grows faster [E]
The Effect of Temperature and Type of Solute on Crystal Mass and Growth [P] [P] [P]
What Type of Dissolved Substance Will Form the Biggest Crystal? [P]
Middle School - Grades 7-9
P=Project   E=Experiment
Determine how the starting temperature affects crystal growth and heat generation in a supersaturated sodium acetate solution—the solution used in hand warmers. [E]
Liquid Crystals Absorbed by Organisms and Used as a Biological Stain to Measure Thermal Activity? [E]
Could silica (SiO2) molecules, or quartz, found in common beach sand, be separated to create pure silicon (Si)? [E]
Does Heat and Temperature Affect Crystal Growth? [E] [P]
Does the type of water affect the growth of crystals? [E]
Crystals Growing and Their Chemistry [E]
Determine what happens if you grow a crystal seed in a substance with a different crystal structure. [E]
The Heat of Crystallization of Several Hydrated Salts [P]
High School - Grades 10-12
P=Project   E=Experiment
The Effects of Acid Rain on Different Materials [E]
How to Make Copperas from Pyrites [E]
Assembly of Magnetic Particles and Magnetic Holes into 1D, 2D, and 3D Photonic Crystals [E]
Fabrication and Manipulation of One-Dimensional Photonic Crystals [E]
Green Preparation and Characterization of Superparamagnetic Iron Oxide Nanocrystals [E]
Does the amount of ammonia affect forming salt crystals? [E] [E]
The Effects of Ultraviolet Radiation on Crystal Growth [E]
Is it possible to make snowflake-like crystals with other substances than water? [P]
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Last updated: September 2016
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