Compounds, Mixtures and Solutions
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Quiz Experiments Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Make a centrifuge from a salad spinner and use it to investigate how well a centrifuge separates snow globe snow (glitter) from a liquid. [E]
Use the difference in solubility of salt and pepper to separate the components of a mixture. [E]
Test if adding glycerin or corn syrup will improve a mixture of bubble solution. [E]
Elementary School - Grades 4-6
P=Project   E=Experiment
Find out if adding various amounts of different solutes to water will increases its boiling point. [E]
The Effect of Temperature and Type of Solute on Crystal Mass and Growth [P] [P] [P]
Demonstrate the Separation of a Complex Mixture [E]
Find out how different concentrations of a water / salt solution affects the speed of the Hot Wheels™ Formula Fuelers racer. [P]
The effect of different soil mixtures and types on plant growth [E] [P] [P] [P] [P] [P] [P] [P]
Find out if more gravel or sand makes a concrete mixture stronger. [E] [E]
Find the critical point for colloidal mixtures composed of different types of starches. [E]
Middle School - Grades 7-9
P=Project   E=Experiment
Figure out a way to separate a mixture of salt, sand, and iron filings, based on the materials' different properties. [E]
How do different solvents and temperature affect the dissolving rate of various brands of Alka-Seltzer tablets [E] [P] [P]
Compare different chromatography substrates and solvents to see which combination performs best for separating ink components. [E]
Measuring Concentration of Solutions (Liquids) using Light [E]
Get More Hydrogen from Water - Factors that affect an electrolyte's effectiveness: the pH of the solution or ion concentration. [E]
See if different mixtures of hardpan and sand could be used to help with California water conservation. [E]
Determine how the temperature of a mixture of water and ammonium nitrate changes with the amount of ammonium nitrate dissolved in the water. [E]
Separating mixtures with static electricity [P] [P]
Which yeast mixture rises the most? [P]
Compare the amount of water you add to the original mixture with the amount of heat produced in an exothermic rehydration reaction of gypsum [E]
Are the inks of different markers and highlighters mixtures of the same colors (chromatography)? [P]
High School - Grades 10-12
P=Project   E=Experiment
How Ancient Egyptians Made the World's First Paper [E]
Which plants stem chaff creates the best paper? [P]
Identify different unknown compounds and substances [E]
Effects of Temperature and Solute Concentration on Index of Refraction [E]
Examining Water Freezing Point Depression as a Function of Solute Ionization from a Thermodynamic Perspective [E]
Investigate whether sodium polystyrene sulfonate can be used as a subtituent solvent to ether in Li-ion battery [P]
The Correlation Between Conductivity and Corrosion Potential of Solutions in Simulation of an Oil Field Environment [E]
The Effect of Electrolyte and Non-Electrolyte Solutes on the Freezing Point Depression of Water [E]
Measure the change in pH of two salt solutions, connected by a salt bridge, as a current is passed through them. [E]
Measuring the Amount of Acid in Vinegar by Titration with an Indicator Solution [E]
Determine whether a mixture of Ethanol and Hydrogen Peroxide will be stable, create a higher amount energy when combusted, burning is cleaner than octane and to evaluate whether this process is safe. [P]
Earthquakes! Which Soil Mixtures Reduce Damage? [E]
Test oil-gasoline mixtures in two-stroke engines for cleaner burning - Maxima's Super-M, Maxima's Formula K-2, and Pro Honda's HP2. [E]
Separation and Analysis of Marine Compounds Using TLC [E]
Measure the singlet oxygen production of a series of iridium(III) and platinum(II) complexes and characterize these compounds' properties. [E]
A New Quantum Mechanical Approach in Determining the Octanol Water Partition Coefficients (Kow) of Organic Aromatic Compounds [E]
Useful Links
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Chemistry Science Fair Books


Chemistry Topics Related Subjects
Water Chemistry
Chemical Energy
Fossil Fuels
Biomass Energy
Chemical Reactions
Rust & Corrosion
Disinfectants & Cleaners
Dyes, Paints and Colors
Compounds & Mixtures
Glues & Adhesives
Insulators & Insulation
Liquids & Fluids
Plastics & Polymers
Water Hardness
Hydrogen Peroxide
Sunscreens & Sunblocks
Salt & Sugar
Plant Chemistry
Oxygen in Chemistry
Temperature in Chemistry
Food Science
Forensic Science
Gold, Silver & Diamonds
Acids & Bases
Salt & Sugar
Sun & Light

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The Scientific Method - How to Experiment
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Topics, Ideas, Sample Projects

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Last updated: September 2016
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