CSEF · 2005
Hello Chitin! Goodbye Ions!
Chemistry
Objectives/Goals #Hello Chitin! Goodbye Ions!# investigates the effect of lobster shell chitin on filtering wastewater metallic ions and how it measures up to charcoal and water distillation…
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CSEF · 2005
Hermit Crab Response to Changes in Light Conditions
Zoology
Objectives/Goals My science project addresses hermit crab (Coenobita clypeatus) activity patterns and what factors trigger these patterns. I wanted to find out if I could change my pet hermi…
CSEF · 2005
Hidden Hazard During the Holidays
Materials Science (Junior Division Only)
Objectives/Goals The question I#m trying to answer is how flammable these five species of trees are if people fail to water their Christmas tree during the holidays. The conclusions I reach…
CSEF · 2005
High Resolution Uranium Mapping of School Sites in the Palos Verdes Peninsula Unified School District, Palos Verdes, CA
Earth Sciences/ Planetary Sciences/ Physical Environments
Objectives/Goals The objectives of my study were to 1) produce a high resolution soil uranium map of a radon-prone school site since uranium is the ultimate source of radon, and 2) to invest…
CSEF · 2005
Hollenbeck Park Pond Water: Health or Hazard for Its Dependent Ecosystem?
Environmental Science (Junior Division Only)
Objectives/Goals Our objective was to determine whether or not the water in Hollenbeck Park Pond is consistently healthy enough to sustain the aquatic life forms (and therefore the avian lif…
CSEF · 2005
Horn Snails
Zoology
Objectives/Goals The objective of this project is to observe and determine if there is a relationship between location of horn snails in regards to the size distribution, as well as parasiti…
CSEF · 2005
Hot Homes -- Cool Solutions
Physics & Astronomy
Objectives/Goals My objective is to determine if designing a different roof system helps with regular ventilation. Methods/Materials *Bolsa Wood *Hot Glue Gun *Hobby Knife *Nails *30 Glue St…
CSEF · 2005
How Adding Solar Panels Affects the Running Time and Distance Traveled by an Electric Go-kart
Electricity & Electronics
Objectives/Goals After converting a gas-powered go-kart to electric and adding solar panels, affects of solar panel use, and running time to deplete the batteries were investigated. The depe…
CSEF · 2005
How a Sowbug Relies on Its Sense of Smell: Common Scents about Sowbugs
Zoology
Objectives/Goals Sowbugs (Oniscus asellus) have a sense of smell and can find each other in darkness. I predicted that a sowbug would seek and be able to find the source of scents of other s…
CSEF · 2005
How Bad Is Smoking?
Pharmacology/ Toxicology
Objectives/Goals The objective of the project is to warm the smokers about the harmful effects of smoking on their bodies and to caution the nonsmoker never to start smoking. Methods/Materia…
CSEF · 2005
How Can I Build a Nitrogen Laser and Prove that It Can Lase?
Electricity & Electronics
Objectives/Goals The purpose of this project was to construct a Nitrogen laser, determine which types and arrangements of components work best, and prove that it can lase. There are two type…
CSEF · 2005
How Can Magnetic Fields Spin a Rotor?
Electricity & Electronics
Objectives/Goals Design and build a spinning device completely composed of common materials to study how magnetic fields drive a rotor to follow the rotation of a controller. Methods/Materia…
CSEF · 2005
How Can Weight and Stress Strengthen or Weaken Standard Fishing Line and How Long It Takes to Break?
Materials Science (Junior Division Only)
Objectives/Goals My goal was to determine if the five top-selling brands of 10 lb. test fishing line were all the same strength. I hypothesized that each brand would vary in strength based f…
CSEF · 2005
How Clean Is Your Water?
Environmental Science (Junior Division Only)
Objectives/Goals Our project was to see how water quality changes in a pristine mountain stream as it travels through elevations, distance from source, and through populated areas. Methods/M…
CSEF · 2005
How Damping Can Passively Control the Dynamic Behavior of a Structure
Applied Mechanics/ Structures & Mechanisms/ Manufacturing
Objectives/Goals The objective of this study is to determine the dynamic behavior of a structure and how to passively control the vibrations. Or else stated as: how would damping affect the…
CSEF · 2005
How Do Different Color Filters Affect the Energy of a Laser Beam?
Physics & Astronomy
Objectives/Goals The purpose of my project was to find out how color filters would affect the energy of a laser beam. I thought a color filter with the same wavelength as a laser beam would…
CSEF · 2005
How Does Cigarette Smoke Affect Crickets?
Pharmacology/ Toxicology
Objectives/Goals My objective is to determine if different amounts of nicotine in cigarettes have an effect on crickets' chirping. I believe the cigarettes with the greatest amount of nicoti…
CSEF · 2005
How Does Coil Shape and Magnet Placement Affect the Rotations of a Simple Motor?
Electricity & Electronics
Objectives/Goals This experiment investigates how electromagnet coil shape and stator magnet placement affects the rotations per fifteen seconds of a simple motor. Methods/Materials I built…
CSEF · 2005
How Does Miswak Compare to a Toothbrush and Toothpaste in Cleaning and Killing Bacteria?
Materials Science (Junior Division Only)
Objectives/Goals The objective is to find out how miswak compares to a toothbrush and toothpaste in cleaning and killing bacteria. Methods/Materials Experiment 1: .4 grams of miswak was shav…
CSEF · 2005
How Does Physical Exercise Affect Short-Term Memory?
Behavioral Sciences
Objectives/Goals The goal of this project was to determine what affect strenuous exercise had on short-term memory. Methods/Materials A computer program was constructed to test and record ho…
CSEF · 2005
How Does Sodium Carbonate Influence the Process of a Fiber Reactive Dye?
Materials Science (Junior Division Only)
Objectives/Goals The purpose of this experiment is to determine how the addition of sodium carbonate fixer alters the dying process when using fiber reactive dyes. The hypothesis states if t…
CSEF · 2005
How Does Sunlight Affect the Chemistry of Water in a Saltwater Reef Aquarium?
Environmental Science (Junior Division Only)
Objectives/Goals My goal was to see what happens to water chemistry when the lights are turned on over a saltwater aquarium and find out if the same thing is happening in real coral reefs. F…
CSEF · 2005
How Does Temperature Affect a Rubber Band's Elasticity?
Applied Mechanics/ Structures & Mechanisms/ Manufacturing
Objectives/Goals The objective of the project was to see how temperature affects a rubber band's elasticity. The hypothesis was the heated (130 degree Fahrenheit) rubber bands would be most…
CSEF · 2005
How Does Temperature Affect the Breaking Points of Different Types of Fishing Line?
Materials Science (Junior Division Only)
Objectives/Goals Objective: My project was to determine if the material a fishing line was constructed of affects the pounds of pressure (p.p.) a line withstands before breaking in different…
CSEF · 2005
How Does the Amount of CO(2) Gas Compare to the Amount of CO(2) Solid after the Sample Has Completely Sublimed?
Chemistry
Objectives/Goals From a known mass of solid CO2 (dry ice), what is the volume of CO2 gas produced when the sample has completely sublimed? How does the measured volume compare to the volume…
CSEF · 2005
"How Does the Buckeye Grow?" -California State Senator Dean Florez, August 13, 2004
Plant Biology
Objectives/Goals California Senator Dean Florez stated, "In your previous research Buckeye trees seem to have been effective in eliminating mosquitoes." He then asked me, "How easy would it…
CSEF · 2005
How Does the Coloring and Sweetness of a Flower Affect Bee Visitation?
Zoology
Objectives/Goals The objective of this project was to determine how the coloring and sweetness of a flower affects bee visitation. My hypothesis was that bees would be most attracted to pink…
CSEF · 2005
How Does Topically Applied Protein Affect Human Hair?
Biochemistry/ Molecular Biology
Objectives/Goals My project is based on the hypothesis which states that if I apply a topical protein to hair, it will thicken, strengthen and increase the heat resistance more than untreate…
CSEF · 2005
How Does Water Treated with NaF Affect the Development of the Invertebrates Artemia, Daphnia, Paramecium, and Planaria?
Pharmacology/ Toxicology
Objectives/Goals I hypothesized that water treated with NaF concentrations above the optimum fluoride level (.7-1.2 ppm) would affect the development of the invertebrates Artemia, Daphnia, P…
CSEF · 2005
How Does Xylitol Affect the Acidity of Plaque?
Biochemistry/ Molecular Biology
Objectives/Goals The objective of our project was to test the effectiveness of xylitol in reducing the acidity of the plaque. Methods/Materials We tested five subjects. The night before the…