CSEF · 2003
Are Your Clothes Really Clean?
Chemistry
Objectives/Goals The objective is to determine which laundry detergent (comparing Tide, Cheer, Oxy Clean, and Store Brand) removes stains from cotton the most effectively. Methods/Materials…
Search past science fair projects
38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.
CSEF · 2003
Are Your Fillings Leaking? Comparing Leakage of Three Dental Filling Materials Exposed to an Acidic Diet Soft Drink
Chemistry
Objectives/Goals The goal of this experiment was to compare three commonly used dental filling materials to see if they would leak after prolonged exposure to an acidic sugarless soft drink,…
CSEF · 2003
Bonds Are Broken by Light: The Effect of Varying Salinities on Hydrolysis Using Constant Energy from a Solar Panel
Chemistry
Objectives/Goals My objective was to determine whether a solution with a greater salinity would yield more hydrogen through hydrolysis than a solution with a lower salinity using a homemade…
CSEF · 2003
Burn Baby Burn
Chemistry
Objectives/Goals My objective was to find out which of the seven foods i used released the most heat and food energy/food calories. Also how much of it burned and how long it burned. My hypo…
CSEF · 2003
Can Chelating Calcium Improve Circulation?
Chemistry
Objectives/Goals The reason I became interested in chelation is because I have an uncle who has diabetes that has caused him to have poor circulation in his legs. Chelation was a treatment m…
CSEF · 2003
Catalysts
Chemistry
Objectives/Goals The objective is to determine which chemical and biological substances can function as catalysts in the decomposition reaction of hydrogen peroxide to yield oxygen gas and w…
CSEF · 2003
Cellulose - Cellulost: An Attempt to Save the Printed Word
Chemistry
Objectives/Goals My objective was to test whether adding different anti-oxidants to recycled paper pulp would produce paper that would not deteriorate as fast as regular (untreated) paper wh…
CSEF · 2003
Chemically Probing the Legitimacy of Ancient Herbs as Alternative Medicine
Chemistry
Objectives/Goals Cascara Sagrada and Senna are herbs that have been used as laxatives by ancient cultures. The purpose of this project was to establish the legitimacy of these two ancient he…
CSEF · 2003
Chillin' Out With Milk: The Effects Fat Has on Freezing Milk
Chemistry
Objectives/Goals The objective of my project is to determine if the percent of fat in milk effects the rate at which it reaches zero degrees Celsius. My hypothesis was that the percent of fa…
CSEF · 2003
Cigarette Filters: Do They Really Work?
Chemistry
Objectives/Goals My objective was to see how much of a difference there was in tar and smoke particulates inhaled from the smoke of ultra-light, filtered, and non-filtered cigarettes. In add…
CSEF · 2003
Determination of Avogadro's Number
Chemistry
Objectives/Goals Create a monolayer of oleic acid. Calculate total number of moles of acid by using measured volume and known concentrations. Calculate Avogardo's number by dividing the numb…
CSEF · 2003
Do Acids in Sodas Weaken Orthodontic Bonds?
Chemistry
Objectives/Goals Three questions were to be answered in this project: 1) Do sodas weaken orthodontic bonds?; 2) Is phosphoric acid in the sodas the reason for weakening?; and 3) Are some sod…
CSEF · 2003
Does the Amount of Natural Fruit Juice Affect the Amount of Vitamin C in Packaged Juice Drinks?
Chemistry
Objectives/Goals To measure the amount of Vitamin C in packaged juices and to determine the relationship between the amount of natural fruit juice and Vit. C. My hypothesis is that the amoun…
CSEF · 2003
Do pH and Ingredient Ratio Levels Affect Fruit Peel Mixtures Used to Preserve Plants in Freezing Conditions?
Chemistry
Objectives/Goals The objective of my project was to see if the pH and the peel-to-water ingredient ratios in my mixture would affect its performance level on plants in freezing conditions. M…
CSEF · 2003
Effect of Concentration and Temperature on the Optical Rotation of Aqueous Solutions of Sucrose, Fructose, and Glucose
Chemistry
Objectives/Goals The purpose of this experiment was to determine how the optical rotation of aqueous solutions of sucrose, fructose, and glucose is affected by concentration and temperature.…
CSEF · 2003
Effects of Pressure and Conductivity on Regelation
Chemistry
Objectives/Goals My objective was to determine if the amount of weight on a wire, and the surface area and conductivity of the wire affects the rate at which it pressure-melts (regelation) t…
CSEF · 2003
Electrolyte Electrolysis
Chemistry
Objectives/Goals The objective is to determine whether Sulfuric acid or Sodium Sulfate is a stronger electrolyte in electrolysis (which one causes Hydrogen gas to be produced more). Methods/…
CSEF · 2003
Electroplating
Chemistry
Objectives/Goals The problem I tried to solve was what would cause more mass of cobalt metal to precipitate out of a cobalt nitrate solution, a greater amount of voltage or a higher concentr…
CSEF · 2003
Exposure of Super Absorbent Polymers to Time and Natural Elements
Chemistry
Objectives/Goals My objective is to observe the effects of time and weather on the application of crystalline and amorphous Super Absorbent Polymers in domestic fire prevention. Also, I want…
CSEF · 2003
From Here to Maine: Is Tap Water All the Same?
Chemistry
Objectives/Goals I wanted to determine if the quality of tap water across the United States varied. My hypothesis was that there will not be any difference in the tap water quality throughou…
CSEF · 2003
Gotta' Sweet Tooth: Does Microbial Fermentation Produce Acid in the Mouth with Aspartame and Various Sugars?
Chemistry
Objectives/Goals The objective of my project was: does microbial fermentation produce acid in the mouth with the artificial sweetener (Aspartame) and various sugars? I thought that the micro…
CSEF · 2003
Got Vitamin C? Determining the Relative Amount of Vitamin C in Preserved Fruits using Titration
Chemistry
Objectives/Goals My objective is to find which method of food preservation retains the most vitamin C content in kiwis and oranges using the titration method. Methods/Materials Nine of the s…
CSEF · 2003
Growing Crystals: Nature's Gems
Chemistry
Objectives/Goals The purpose of my project was to determine if temperature has an effect on crystal growth. I predicted that crystals grown in colder temperatures would grow faster but less…
CSEF · 2003
Heatin' It Up! A Study of the Greenhouse Effect
Chemistry
Objectives/Goals The objective of my experiment was to determine how different amounts of carbon dioxide in air affect the temperature of the air when exposed to light. My hypothesis was tha…
CSEF · 2003
How Do Cleaning Agents Affect Fabrics Colorfastness, Surface Texture, and Strength?
Chemistry
Objectives/Goals To determine which cleaning agent will deteriorate fabric the most and the least in colorfastness, surface texture, and strength. If fabrics deterioration is related to the…
CSEF · 2003
How Do the Enzymes in Laundry Detergent Affect the Protein in an Egg?
Chemistry
Objectives/Goals The objective of the project was to observe how the enzymes in laundry detergent affect the protein in egg whites. Methods/Materials The experiment consisted of placing prep…
CSEF · 2003
Improving Hydrogen Production in the Electrolytic Cell of a Solar Hydrogen System: A Third Year Study
Chemistry
Objectives/Goals My objective is to increase the amount of hydrogen evolved in the electrolytic cell of a solar hydrogen system by varying the type and the concentration of the electrolytes,…
CSEF · 2003
Investigating Halide Anion Interaction with Water Molecules
Chemistry
Objectives/Goals The objective of this experiment is to determine the difference in energy interactions of halide anions of different sizes with water and what they may depend on. Methods/Ma…
CSEF · 2003
Ionic Concentration vs. Electrical Conductivity in a Saline Solution
Chemistry
Objectives/Goals The objective was to determine if there was an optimum level of concentration (OLC) in a saline solution. Another thing i wanted to find out, was if the temperature had any…
CSEF · 2003
Ironic: Iron Content in Fruits and Vegetables
Chemistry
Objectives/Goals My goal was to find out if vegetarians can get the recommended amount of iron. Methods/Materials Eight different fruits and vegetables were tested five times each to find th…