CSEF · 2007
Stressed Out
Applied Mechanics & Structures
Objectives/Goals Which structural beam shape will withstand the most load-bearing weight? Methods/Materials Five different polystyrene beam shapes, cut to 15 inches, three of each polystyren…
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CSEF · 2007
Sun Specs
Product Science (Junior Division Only) Honorable_mention Award
Objectives/Goals My goal was to find out whether the tint or shade of sunglasses determines the amount of protection it provides against UV light, and whether it is worth paying higher price…
CSEF · 2007
Sweet Relief?
Product Science (Junior Division Only)
Objectives/Goals My objective was to determine whether or not certain candies could neutralize a strong acid. I hypothesized that candies with magnesium present as an ingredient would work t…
CSEF · 2007
Swing Batter Batter!
Product Science (Junior Division Only)
Objectives/Goals The purpose of this project was to determine which of the four baseball bats hit a baseball the farthest. The four baseball bats were made of different materials that includ…
CSEF · 2007
Teeth Whitening with Natural Products
Product Science (Junior Division Only)
Objectives/Goals The purpose was to determine what foods can be used to effectively whiten teeth. What foods can be used to effectively whiten teeth. It is hypothesized that certain foods ca…
CSEF · 2007
The Better Ball: A Comparison between the Titleist ProV1 and Titleist DT So-Lo Golf Balls
Product Science (Junior Division Only)
Objectives/Goals My project was to see if the repetitive impact of a 10 degree Titanium Driver would knock the Titleist DT So-Lo golf ball out of balance more quickly than the Titleist Pro V…
CSEF · 2007
The Differences of Two Propeller Characteristics Affecting Efficiency in Air vs. Water Due to Different Slips
Applied Mechanics & Structures
Objectives/Goals The objective of this project was to ascertain different amounts of slip that water and air each respectively have. Also, to determine the effect radius and chord have on th…
CSEF · 2007
The Effect of Blowgun Length on the Energy of Its Projectile
Applied Mechanics & Structures
Objectives/Goals Our project was designed to determine how the barrel length of a blowgun affects the energy of the projectile. Methods/Materials To conduct our experiment we first used a 61…
CSEF · 2007
The Effect of Building Shape on Its Ability to Resist Hurricane Force Winds
Applied Mechanics & Structures
Objectives/Goals The purpose of the experiment was to determine if the shape of a building affected its ability to resist hurricane velocity winds by utilizing a wind tunnel to test differen…
CSEF · 2007
The Effect of Centrifugation on Standard Fecal Flotation Procedures in the Recovery of Parasitic Ova in Beef Cattle
Applied Mechanics & Structures
Objectives/Goals My objective is to determine if adding a centrifugation step to a standard fecal floatation procedure will result in an increase in the number of parasitic ova recovered fro…
CSEF · 2007
The Effect of Wheels on Catapult Efficiency
Applied Mechanics & Structures Third Award
Objectives/Goals The Greek inventor of the catapult, Archimedes, found that wheels increase launch distance of projectiles. He might not have known the physics behind his experiments. I want…
CSEF · 2007
The Effects of a Dynamic Load on Structural Integrity
Applied Mechanics & Structures
Objectives/Goals Since I live in California where earthquakes are common, I decided to look at earthquake effects on the structural integrity of arches make from materials of different flexi…
CSEF · 2007
The Effects of Gyroscopic Force on a Stationary Body
Applied Mechanics & Structures
Objectives/Goals To demonstrate gyroscopic force Methods/Materials To begin my experiment I needed the following materials: ¡# Bigger bike wheel (68.58 cm diameter) ¡# Smaller bike wheel (50…
CSEF · 2007
The Effects of Honey on Longevity of Fruits and Vegetables: Year 2
Product Science (Junior Division Only)
Objectives/Goals To determine the effects of a 1% honey solution on extending the shelf life and preserving fruits and vegetables. Methods/Materials Last year I tested 3 different dilutions…
CSEF · 2007
The Effects of Rolling Resistance on Different Surfaces
Applied Mechanics & Structures
Objectives/Goals The objective of our project is to find out why some cars travel faster on a surface with less friction than a surface with more friction and potentially waste more fossil f…
CSEF · 2007
The Efficiency of the Fluorescent Light Bulb vs. the Incandescent Light Bulb
Product Science (Junior Division Only)
Objectives/Goals The objective is to see how much more efficient the fluorescent light bulb is compared to the incandescent light bulb. Methods/Materials Three fluorescent light bulbs (10, 1…
CSEF · 2007
The Hidden Strength of Paper Towels
Product Science (Junior Division Only)
Objectives/Goals My objetive for doing this project is to find out which paper towel brand has the strongest paper towels. Methods/Materials To test a paper towel brand, I place a paper towe…
CSEF · 2007
The Home Made A.C.V. (Air Cushioned Vehicle)
Applied Mechanics & Structures
Objectives/Goals Our goal is to create a hovercraft using house hold materials. Basically things you would find in your home. We got this idea from watching a movie of a man building a space…
CSEF · 2007
The King of Fling: An Analysis of Counterweight to Projectile Energy Transfer in a Trebuchet
Applied Mechanics & Structures
Objectives/Goals Every year, the MESA program hosts a national engineering design competition and this year's competition is the trebuchet. The object of this project is to gain a better und…
CSEF · 2007
The NBA Takes a Bad Bounce: Evaluating Leather vs. Synthetic Basketballs
Product Science (Junior Division Only)
Objectives/Goals My objective was to test leather and synthetic basketballs in an effort to evaluate grip and bounce consistency. My interest was ignited by the recent controversy in the Nat…
CSEF · 2007
The Sweet Zone of a Ball-Bat Collision
Applied Mechanics & Structures
Objectives/Goals Recent research on baseball bats by Robert Adair, Rod Cross and Daniel Russell has shown what happens when the bat hits a ball, and why there are some locations on the barre…
CSEF · 2007
The Whats and Hows of Fiber Wrap
Applied Mechanics & Structures
Objectives/Goals To prove that fiber wrap strengthens materials Methods/Materials 20 square foot sheet of SikaWrap Hex 103C, 20 square foot sheet of SikaWrap Hex 100G, Sikadur epoxy resin, 4…
CSEF · 2007
ToughBot: The Pursuit of a Better Urban Search and Rescue Robot
Applied Mechanics & Structures Second Award
Objectives/Goals The goal of my project is to build a highly robust custom autonomous search and rescue robot platform. The design of the robot would be a major improvement on previous desig…
CSEF · 2007
Truss Bridges
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals The project is find out the relationship between difference factor between different types of truss bridge, for example, the longevity of a covered truss bridge and to the t…
CSEF · 2007
Truss Bridge Tests
Applied Mechanics & Structures
Objectives/Goals My objective is to learn which of three truss bridges will support support the most mass. The three bridges are: the Baltimore (Pratt), the Lattice, and the Subdivided Warre…
CSEF · 2007
Truss Me: The Impact of Structural Design on the Strength of a Truss
Applied Mechanics & Structures
Objectives/Goals Objective: The objective for this experiment was to find out which truss design, a Warren, a Warren with Vertical Supports, a Pratt, or a Curved Chord Pratt, would have the…
CSEF · 2007
Urban Solar Electric Panel Steering Testing and Proposed New System Design
Applied Mechanics & Structures Fourth Award
Objectives/Goals The objective of the original/first phase of this project was to test if a simple solar panel steering system might improve panel energy production enough to reduce the over…
CSEF · 2007
Walk, Stop, and Stroll
Applied Mechanics & Structures
Objectives/Goals Can mechanical legs work and move without the use of electricity, rather the amount of energy supplied by the maneuvering of the lever by human hands? What type of soles wou…
CSEF · 2007
Water Velocity: Flowing through Tubes
Applied Mechanics & Structures
Objectives/Goals What are the factors that contribute for water velocity in different conditions and circumstances? I added direct mass pressure and created a siphon to conduct this experime…
CSEF · 2007
What Affects the Distance of a Hit Ball?
Applied Mechanics & Structures
Objectives/Goals My goal was to determine what affects the distance of a hit ball. Methods/Materials Materials- wood bat (30 oz.); Composite bat (30 oz.); Aluminum bat (30 0z.); baum swingin…