Materials Science (Junior Division Only)
Objectives/Goals The purpose of this study was to find which hydroxyapatite coated root form dental implant system was most resistant to the acidic environment produced by peri-implantitis.…
Materials Science (Junior Division Only)
Objectives/Goals Problem Statement: Which household cleaning object is most susceptible to bacteria, and which noncommercial disinfectant cleans most effectively? Hypothesis: I believe the h…
Materials Science (Junior Division Only)
Objectives/Goals My objective was to learn which brand of toothpaste is the most effective cloth stain remover. Methods/Materials Lawn grass, chocolate syrup, ballpoint ink pen, and soy sauc…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals "Is the seam of a $19.99 sewing machine as strong as the seam of a $ 1400 sewing machine?" I wanted to determine whether an inexpensive machine performed as well as the expe…
Materials Science (Junior Division Only)
Objectives/Goals Our objective was to see if arsenic was leaching out of chromium copper arsenic-treated wood and contaminating the dirt around it. Methods/Materials Our research showed us t…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals The intent of this project is to examine whether different angles change the strength of a truss during an earthquake. The hypothesis is that trusses formed of 60º angles wi…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals The purpose of this project was to find out how strong a truss can be made. With trusses made stronger, buildings and bridges can be made to withstand more weight. This proj…
Materials Science (Junior Division Only)
Objectives/Goals Objective: My project was to find the factors that make up the brightest and longest lasting light bulb. Methods/Materials Materials and Methods: Steel, carbon, and copper w…
Materials Science (Junior Division Only)
Objectives/Goals The objective of my project was to determine the quality of automated vending machine water by testing for pH level, water hardness, alkalinity, and free and total chlorine…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals In many places around the world there have been very powerful earthquakes, but the damage repair costs varied a lot. In Prince William Sound, Alaska the damage repair cost w…
Materials Science (Junior Division Only)
Objectives/Goals To determine which household cleaners effectively disinfect kitchen countertops contaminated with raw ground beef. Methods/Materials I contaminated a kitchen countertop surf…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals My hypothesis is that PEX pipe will be the strongest and copper pipe will break. I think that this is because PEX pipe is really flexible and you can bend it with your own t…
Materials Science (Junior Division Only)
Objectives/Goals My objective was to figure out which whitening toothpaste whitened teeth the fastest. I believed that the toothpaste that contained the most titanuim dioxide, hydrated silic…
Materials Science (Junior Division Only)
Objectives/Goals This project attempts to answer the question of which fingerprint powder lifts the clearest prints and is the best to be used in a criminal investigation. Methods/Materials…
Materials Science (Junior Division Only)
Objectives/Goals Our objective was to determine if the dimensional stability of wood is affected by age (when the tree was milled). We also wanted to be able to predict which pieces of lumbe…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals To determine if the Warren with post truss is stronger than the Pratt Truss? Methods/Materials Wooden box/Test station. Douglas fir/Glue/Small nails-brads/Weights/Dial Indic…
Materials Science (Junior Division Only)
Objectives/Goals The purpose of this experiment is to explore the dangers of static electricity at gasoline fuel pumps. There have been many articles written reporting that electrical sparks…
Materials Science (Junior Division Only)
Objectives/Goals My project is to determine which lubricant has the lowest friction by measuring what angle does the test block starts to slip. Methods/Materials A total of two drops of oil…
Materials Science (Junior Division Only)
Objectives/Goals Hand washing may seem trivial, but failing to do it may have tragic even deadly consequences. By not washing our hands regularly we may be causing our own poor health and sp…
Materials Science (Junior Division Only)
Objectives/Goals The goal of my project was to determine which paper towel fiber structure was most absorbent. I hypothesized that the fiber structure of the Brawny Prestige Prints paper tow…
Materials Science (Junior Division Only)
Objectives/Goals My objective is to find out which kind of anti-bacterial soap would kill the most bacteria. My hypothesis is that Ajax will be the most affective. Methods/Materials I asked…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals The objective is to find which size of sand particles would make a concrete brick stronger using silica sand #30 (finer sand), and silica sand #18 (coarser sand. Methods/Mat…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals The purpose of my project was to determine which model of bridge (arch, beam or truss) could withstand the most weight. My hypothesis was that the truss bridge would withsta…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals The purpose of my project was to test a homemade brick and to see which material added to that brick would make it the strongest. The materials I added were cloth, wire, str…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals My goal was to increase the final strength of concrete by adding aggregates. I had no odjectives. Methods/Materials The experimenter mixed pre-packaged concrete mix with wat…
Materials Science (Junior Division Only)
Objectives/Goals My objective was to learn which wood , Douglas Fir or Oak, produced the most energywhen burnt. Methods/Materials a full size steam locomitive was used. Douglas Fir and Oak w…
Materials Science (Junior Division Only)
Objectives/Goals The objective of my project was to determine if sand and non-sand grout mortars treated with a sealant decrease the effectiveness of insecticide residuals. Methods/Materials…
Structural Capability & Strength of Materials (Junior Division Only)
Objectives/Goals My project's objective is to determine the percent of additional strength of the modified Warren Truss when verticals are inserted. My original hypothesis was that the modif…
Materials Science (Junior Division Only)
Objectives/Goals My goal was to find out which natural juices prevent spoilage and bacterial growth on meat. Methods/Materials I used apple juice, lemon juice, vinegar, tomato juice, orange…
Materials Science (Junior Division Only)
Objectives/Goals We tried to determine if the various prices of three different soccer balls made a difference in its performance. Methods/Materials We used a contraption to take place of an…