Environmental Science (Junior Division Only)
Objectives/Goals Chemical pollutants that flow into the storm drain go directly into creeks and the Bay without treatment, making stormwater pollution a threat to aquatic communities. Reside…
Physics & Astronomy
Objectives/Goals My objective was to learn why an alternating magnetic field repels non-ferrous metals and why a magnet slides slowly down a non-ferrous conductor. Methods/Materials A wheel…
Zoology
Objectives/Goals My objective was to determine if new copper banding, copper with patina, or irrigated copper banding would prevent brown garden snails from reaching their food sources. We g…
Microbiology
Objectives/Goals The purpose of my science project was to determine which types of commonly available spices would inhibit the growth of bacteria in food, and could be used as food additives…
Physics & Astronomy
Objectives/Goals My project determines the effect of color on characteristics of a heat barrier material. The result of this investigation will identify the effect of color on the effectiven…
Materials Science (Junior Division Only)
Objectives/Goals The purpose of this study was to examine the inhibitory effect of different commonly used household disinfectants on the growth of soil microorganisms. The household disinfe…
Physics & Astronomy
Objectives/Goals The objective of this project is to study the effects of an external electric field on the heat of vaporization of water through both computer simulations and experiments. M…
Applied Mechanics/ Structures & Mechanisms/ Manufacturing
Objectives/Goals This study was conducted to determine whether objects of different materials (but equally weighted) would travel the same relative distance as the material of the sliding su…
Applied Mechanics/ Structures & Mechanisms/ Manufacturing
Objectives/Goals Do different surfaces affect how long it takes a model car to cross a certain distance? Methods/Materials Accelerate a model car down a ramp made of wood covered with styrof…
Aerodynamics/ Hydrodynamics
Objectives/Goals To determine whether the number of outlets of air on the bottom of a hovercraft will affect the stability of the hovercraft. Stability will be determined by measuring the nu…
Chemistry
Objectives/Goals My objective is to determine if the pH level of a toxic solution is effected by certain water tempeeratures. Methods/Materials The materials that were used in my experiment…
Plant Biology
Objectives/Goals 1. Problem Statement: Does the source of water from which a plant seed is watered affect its rate of germination and early growth rate? 2. Hypothesis: I believe that sweet p…
Materials Science (Junior Division Only)
Objectives/Goals The purpose of this project was to test ways to reduce "red-eye" in photographs using different types of cameras. Cameras that utilize the "red-eye" reduction feature reduce…
Pharmacology/ Toxicology
Objectives/Goals To determine how various cooking processes (such as microwaving, steaming, and boiling) effect the ascorbic acid levels and anti-cancer properties of green bell pepper and w…
Microbiology
Objectives/Goals I wanted to see medications reaction to a household substance which was mixed with bacteria. Methods/Materials I used 5 different medications, Duricef, Zithromax, Augmentin,…
Zoology
Objectives/Goals My objective was to see how habitat diversity and pond size in flood basins affected the numbers of birds and the species of birds using the ponds, over a period of two year…
Environmental Engineering
Objectives/Goals Perchlorate contamination in the Colorado River is a pollution problem that has been recently identified. The objective of this project was to evaluate whether perchlorate s…
Microbiology
Objectives/Goals Marine cyanobacteria Trichodesmium are unusual in their ability to convert atmospheric nitrogen (N2) into ammonium (nitrogen fixation) and are responsible for the majority o…
Earth Sciences/ Planetary Sciences/ Physical Environments
Objectives/Goals The goal of my project is to determine the relationship between porosity, permeability and diffusion in a model aquifer. Methods/Materials Five different soils (clay, gravel…
Biochemistry/ Molecular Biology
Objectives/Goals It is commonly known that fish oil, rich in n-3 PUFA (polyunsaturated fatty acids), is beneficial to the living body, and that safflower oil, rich in n-6 PUFA, is not. The h…
Microbiology
Objectives/Goals This research tested the effects of rhythm on reproductive rates of Saccharomyces cerevisiae (yeast cells). It was hypothesized that when fungi cells, Saccharomyces cerevisi…
Chemistry
Objectives/Goals I experimented to find the effects of certain variables on the strength of water surface tension. The three variables that will be tested are salt, dish soap, and different…
Mammalian Biology
Objectives/Goals The purpose of this project is to explore what happens to the heart rate and the cardiac output in hearts that have atherosclerosis in the aorta and valve disease on the mit…
Biochemistry/ Molecular Biology
Objectives/Goals The goal of my experiment was to determine the relative efficiencies of ATP production of mitochondria in different body segments of Drosophila melanogaster. Methods/Materia…
Zoology
Objectives/Goals The purpose of this project is to determine if earthworms, represented by Eisenia fetida, can live and reproduce in distressed California ecosystems, such as soil from tille…
Plant Biology
Objectives/Goals Objective: To predict the ripeness of bananas using electrical properties. I created a banana ripeness tester. Methods/Materials Methods: Group similar size bananas by peel…
Chemistry
Objectives/Goals The goal is to better understand how the concentration of ions and strength of ions affects the flow of electrons through different types of electrolytes. Methods/Materials…
Chemistry
Objectives/Goals I wanted to see what would separate more hydrogen from salt water. Would a higher concentration of salt separate more, or would a higher voltage separate more. Methods/Mater…
Pharmacology/ Toxicology
Objectives/Goals My objective was to study the affect of an electromagnetic field (EMF) on onion root tip growth. My belief was that EMF would have a positive affect on growth. Methods/Mater…
Pharmacology/ Toxicology
Objectives/Goals The project I chose this year is an integration of my science fair projects from the past two years. The problem I was faced with in the GSDSEF 2002 was the number of variab…