CSEF · 2007
Why Do Leaves Change Color?
Plant Biology
Objectives/Goals The objective is to determine how light affects the color development of leaves of the Liquid Amber Tree (Liquidambar styraciflua) and the Photinia Tree, (Photinia x fraseri…
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CSEF · 2007
Why Not 50 Miles Per Gallon?
Applied Mechanics & Structures
Objectives/Goals I hypothesize Gas mileage can be considerably improved by greatly reducing both the rolling resistance and aerodynamic resistance to a small enough level such that a much mo…
CSEF · 2007
Why They Are Where They Are
Zoology
Objectives/Goals There are two species of non-native snails in Morley Field, a San Diego park: the White Garden Snail (Theba pisana) and the Milk Snail (Otala lactea). Last year, for a class…
CSEF · 2007
Will Adding a Triangular Wing Shaped Flap to an Existing Wing Decrease Vortices?
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals The question that I'm going to investigate is if a triangular wing flap is added to the back of an existing wing, will this create an opposite spinning vortex to cancel the…
CSEF · 2007
Will Different Materials Affect the Growth of Sea Life?
Pharmacology/ Toxicology
Objectives/Goals My goal is to determine the growth of sea life on different materials. Methods/Materials 20 # 3 in. x 3 in. Light weight sheets of copper 20 # 3 in. x 3 in. Plastic sheets 2…
CSEF · 2007
Will Radiation from a Dental X-Ray Affect the Growth of Plants?
Pharmacology/ Toxicology
Objectives/Goals Determine if radiation from a dental x-ray will effect the growth of pants. Methods/Materials Materials: 12 each pot, saucers, beans, stakes. Potting soil, water. Method: 1.…
CSEF · 2007
Will Temperature Affect the Crawling Speed of Darkling Beetle Larva?
Zoology
Objectives/Goals Does different temperatures effect the activity level of beetle larva? We will use crawling speed to determine this. Methods/Materials Using Darkling beetles, we placed 10 b…
CSEF · 2007
Will the Autosomal Recessive Mutation of Vestigial Wings Appear in the F1 Generation of Drosophila melanogaster?
Zoology
Objectives/Goals The purpose of my project was to show if an autosomal recessive mutation will appear in the first generation. This project also was designed to differentiate the difference…
CSEF · 2007
Will the Bog Break the Log?
Applied Mechanics & Structures
Objectives/Goals My objective is to find if relative humidity affects the strength of wood. I predict that as relative humidity rises, the strength of wood will diminish. I don't think that…
CSEF · 2007
Will the Land Application of Biosolids Have a Negative Impact on Ground Water?
Environmental Science (Junior Division Only)
Objectives/Goals There is a lot of concern by the farm community that applying class B biosolids to farm ground is putting their groundwater supplies in serious danger. Anywhere the biosolid…
CSEF · 2007
Will Your House Sink?
Earth & Planetary Sciences
Objectives/Goals My objective was to study soil liquefaction during an earthquake. I wanted to understand what liquefaction is and how it is affected by soil density and different water satu…
CSEF · 2007
Wind Energy
Environmental Engineering
Objectives/Goals In my project, I used motors and fan blades turned by wind to generate energy. For my first variable, I tested different motors and saw how adding gears would affect the amo…
CSEF · 2007
Wind Farming the Fertile Pavement of the San Joaquin Valley
Environmental Engineering Second Award
Objectives/Goals Can wind generated from from highway traffic be captured to produce a useable source of energy. Methods/Materials First year: I used a Turbo Meter wind speed indicator to de…
CSEF · 2007
Wind Wind Go Away, Come Again Some Other Day
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals My project, Wind Wind Go Away Come Again Some Other Day, is to see if specially designed sculptures can reduce and redirect the wind made by the venturi effect at the base o…
CSEF · 2007
Wireless or Wire More?
Materials Science (Junior Division Only)
Objectives/Goals To determine whether wireless signals will be affected as they pass through different materials. Another goal to determine was if the signal went through the materials, or t…
CSEF · 2007
Wire/String Telephone
Materials Science (Junior Division Only) Third Award
Objectives/Goals This experiment tested which wire/string transmitted audible sounds the best. Methods/Materials 1) Materials: two tin cans that are identical in terms of size and shape, 18…
CSEF · 2007
Wishy Washy Water
Pharmacology/ Toxicology Honorable_mention Award
Objectives/Goals This project was performed to observe the varying effects of hard and soft water on hair. Methods/Materials The same type of hair was placed in water with different levels o…
CSEF · 2007
Wood It Matter? A Comparison of Solid Body Electric Guitars
Materials Science (Junior Division Only)
Objectives/Goals The objective of this experiment was to see if the myths behind guitar tonality were true. According to these myths, the sound of a solid body electric guitar can be determi…
CSEF · 2007
Would You Like Bacteria with Your Burger?
Microbiology
Objectives/Goals This study compares the price and cleanliness of ground beef. My hypothesis is that more expensive ground beef will have lower levels of bacteria. Methods/Materials I bought…
CSEF · 2007
Wrigley's Believe It or Not!
Behavioral & Social Sciences
Objectives/Goals The purpose of my science project is to find out if people can take math tests faster while chewing gum. I became interested in testing this project because my teacher hands…
CSEF · 2007
Yeast Lipoprotein Resistivity to Sulfide Inhibition
Microbiology
Objectives/Goals To see if a state of anaerobic respiration can be induced into S. cerevisiae. Methods/Materials FeS was ionized using muriatic acid to create H2S gas. Yeast and sugar mixtur…
CSEF · 2007
You Guess the Weight
Applied Mechanics & Structures
Objectives/Goals The objective of this project is to see that if weight tape is used to measure and thus #weigh# both Caprine & Ovine species, if that #weight# read on the tape is the same a…
CSEF · 2007
Your Fries Give Me Gas! The Viscosity of Various Bio-diesel Blends in Cold Temperatures
Product Science (Junior Division Only)
Objectives/Goals The purpose of my project is to find out whether or not temperature affects the viscosity of bio-diesel fuel blended with different bio-fuel/diesel fuel ratios. Methods/Mate…
CSEF · 2007
Zap! Electricity Generation
Electronics & Electromagnetics
Objectives/Goals An electric generator is a device that converts mechanical energy to electrical energy. Generators are now widely used in homes, vehicles, industries as they provide a highl…