Cleaners and Disinfectants
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Quiz Experiments Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Determine which laundry detergent works the best at removing common stains from cotton. [E]
Personal Hygiene Science Fair Projects & Experiments
Elementary School - Grades 4-6
P=Project   E=Experiment
What Substance Cleans a Penny the Best? [P]
Can lemons be a cleaning agent? [E]
Test several disinfectants to see which ones work best to decontaminate the surface of a cutting board. [E]
Find out the best cleaning product for removing peanut butter. [E]
Find out which cleaner or disinfectant works best to inhibit the growth of bacteria from sour milk. [E]
Which substance or method works better when polishing silver? [E]
Which stain remover removes stains the best? [P] [P]
Which carpet cleaner will remove tough stains the best? [P]
What descaler dissolves calcium buildup best? [P]
Which Vinegar Works the Best as a Disinfectant? [E]
See whether wiping down grocery cart handles reduces bacterial growth and which of 3 different disinfectant wipes prevents the most bacterial growth. [E]
Find out which solution gets rid of grape juice stains the best: oxygen bleach, chlorine bleach, vinegar, or water. [E]
Brand of cooking spray and food sticking [E]
Which laundry detergent cleans stains out the best? [P] [P]
Dry Cleaning vs. Wet Cleaning [P]
Which Window Cleaner Best Removes Various Substances? [P]
Which Fabric Is Cleaned Best By Tide? [P]
Which detergent will decrease bacteria in sponges? [P]
The Effect of Clorox on the Bacterial Content on Restroom Doorhandles [P]
Personal Hygiene Science Fair Projects & Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
The Effect of a Hot Car Interior on Hand Sanitizer Alcohol Content [P]
Make your own shampoos and do some quantitative testing to compare their performance to a store-bought product. [E]
Test Different Remedies to Remove Skunk Odor [E]
Is Do-It-Yourself Detergent As Good at Cleaning Laundry As a Store Bought Brand? [E]
Could graffiti be removed effectively, using Rubbing Alcohol, Acetone, Dish Soap, or Goo Gone? [P] [P]
Determine whether windshield washer fluid can be replaced with an organic, eco-friendly, and non-toxic fluid. [P]
Test if the best stain remover would be vinegar mixed with baking soda and laundry detergent [P]
Do Soap Nuts Have Antibacterial Properties in the Laundry? [E]
Can bacterial disinfection during hand wash achieved by chemical free process? [P]
What hand cleaner will do the best job to clean our hands. [P] [P]
The Effectiveness of a Household UVC Wand in Reducing Bacterial Contamination [E]
Examining the Sanitary Rates of Antibacterial Cleaners through the Use of Bacillus subtilis (hay bacillus) [E]
Determine which kitchen cleaning aid is most susceptible to contamination by bacteria, and which disinfectant method cleans most effectively. [E]
Which kind of primer is the best to prevent mold on painted drywall? [E]

Test different types of homemade soaps and a brand name soap for their different characteristics, such as forming bubbles, moisturizing ability, cleaning ability, scent, and color. [E]
Find the most effective (killing mildew and germs), safest and most cost-effective bathroom cleaner. [E]
Find out what solution is most effective in removing hard water deposits on glass. [E]
Determine if potassium based cleaners are as effective as bleach but with lower electrical conductivity. [E]
The Effect of Non-Antibacterial and Antibacterial Cleansers on E. coli, P. aeruginosa, and S. aureus Growth [E]
Determine if boiling water and the use of chlorine will kill coliforms to safe level. [P]
Find out how sterile a doctor's office really is, and which dilution of bleach will kill the bacteria growing in the office. [P]
Testing hard and soft water for they cleaning effects on different objects and surfaces. [E]
To what extent does the surface tension of water decrease as the amount of detergent is increased? [E]
Compare Different Kinds of Floor Polish [E]
Adjusting Chlorine Level to Minimize Evaporation Loss of Pool Water [E]
Which stain remover works best on white cloth? [E]
Can Various Laundry Detergent Additives Affect the Flammability of Fire Resistant Fabric? [E]
What would kill body odour most effectively? [E]
Which bleach works the best? [E]
The removal of toxic chemicals from contaminated filter materials [E]
The Effect of Various Common Household Cleaners on Fabric Puncture Resistance [P]
The most effective, safest and most cost-effective bathroom cleaner [E]
What liquid dish detergent will reduce the amount of bacteria on kitchen sponges? [P]
The Effect of Laundary Detergent on Stain Removal [P]
The Effect of Different Detergents on the Removal of Stains [P]
The Effect of Various Disinfectants on Bacteria [E] [P]
Test the effectiveness of antibacterial substances on E. coli. [P]
Professional Dry Cleaning Vs. In-home Dry Cleaning [P]
Which Stain Remover Removes the Most Stain On Carpet? [P]
What Household Detergent Repel Aphids Best? [P]
Personal Hygiene Science Fair Projects & Experiments
High School - Grades 10-12
P=Project   E=Experiment
Make Your Own Soap to Study Soap Synthesis [E]
The Chemistry behind Jatropha Soap [P]
Find non-synthetic or natural cleaners that perform equally well to synthetic ones. [P]
The Excess of Cleaning Detergent Left on Clothes after Washing By Different Laundry Detergents. [P]
The effect of different tooth cleaning agents on the growth of teeth bacteria [P]

Test the survival of bacteria on two different types of aquaculture materials: net pen and bag pen and test the effectiveness of bleach and iodine to eliminate the bacteria. [P]
Testing the Antibacterial Properties of Colloidal Silver [E]
Do Different Dilutions of Disinfectants Affect the Development of Bacterial Resistance? [E]
Determining the Effectiveness of Six HE Laundry Detergents upon Various Stains on White Cotton [E]
Personal Hygiene Science Fair Projects & Experiments
Useful Links
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
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Chemistry Project Ideas
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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Last updated: September 2016
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