CSEF · 2011
Refraction and Salinity
Physics & Astronomy
Objectives/Goals My project is asking what the effect of the addition of salt is on the angle of refraction through water. Before I began my experiment, I hypothesized that if the concentrat…
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38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.
CSEF · 2011
Refraction in Saltwater
Physics & Astronomy
Objectives/Goals My hypothesis is that if I increase the salt concentration by 2.5% or add 5 grams the refracted ray will increase by 2 degrees. Methods/Materials First, I took a container o…
CSEF · 2011
Refraction of Light: Using Refraction of Light to Study Diffusion in Liquids
Physics & Astronomy Third Award
Objectives/Goals to test the hypotheses: refraction of light strongly depends on liquid properties, the nature of the solution; refraction of light is larger for solutions with higher densit…
CSEF · 2011
Rememba' Mpemba! The Mpemba Effect
Physics & Astronomy Second Award
Objectives/Goals My Hypothesis- If hot and cold water are placed in the freezer at the same time, under the same identical conditions, except temperature, then the hot water will freeze soli…
CSEF · 2011
Self-Optimizing Solar Tracking System
Electronics & Electromagnetics Third Award
Objectives/Goals For my experiment, I asked myself this question: Can a self-optimizing solar tracking system produce more energy output over a fixed period of time than a stationary solar p…
CSEF · 2011
Shaping Stabilizers for Emergency Landings
Aerodynamics/ Hydrodynamics (Junior Division Only) Fourth Award
Objectives/Goals The objective of this project is to determine which shape of horizontal stabilizers provides a safe, twenty-degree-angled touchdown for an air-plane. I tested seven shapes o…
CSEF · 2011
Single Transducer, Gradient-Force Ultrasonic Microparticle Trapping
Physics & Astronomy
Objectives/Goals This project investigates a potential method of trapping microparticles (particles with diameter ~100 microns) with high-frequency sound (more specifically, acoustic Bessel…
CSEF · 2011
Solar Desalination: Taking the Salt Out of the Sea
Physics & Astronomy Honorable_mention Award
Objectives/Goals I investigated whether a container's shape affects how much desalinated water ("D/W") is produced through solar desalination under set conditions. My hypothesis was that a b…
CSEF · 2011
Sound and Light
Electronics & Electromagnetics
Objectives/Goals The goal of our experiment was to prove that light can transmit sound over long distances and to verify what solar panel and what laser is the best for this experiment. Meth…
CSEF · 2011
Speed Measurements Using a Strobe Light
Physics & Astronomy Fourth Award
Objectives/Goals If it's possible to measure the speed of an object moving in a linear path with a strobe light, then it's possible measure the speed of an object moving in a circular path.…
CSEF · 2011
Stability Analysis of Control Algorithms
Electronics & Electromagnetics Fourth Award
Objectives/Goals Both a robotics project and an experiment comparing the effectiveness and tuning process of different control algorithms, I investigated a system in which a robot balances o…
CSEF · 2011
Stealth: Applying Wave Theory to Affect Visibility
Physics & Astronomy
Objectives/Goals My objective was to show how to make an object invisible or less visible. I believed that an object should become less visible by changing its angle of incidence to a light…
CSEF · 2011
Study of the Heat Absorbing Abilities of Different Fibers and the Effects of Laundering on Their Flame Retardancy
Physics & Astronomy
Objectives/Goals The purpose of this experiment was to determine the heat absorbency and flame retardancy of cotton, polyester, nylon, wool, and the flame retardant fiber, nomex. Another pur…
CSEF · 2011
Surfing on Sound
Physics & Astronomy
Objectives/Goals In today's technology, smaller processing chips & parts are needed to make functional devices. Acoustic levitation ensures that certain parts of those devices can be made in…
CSEF · 2011
Sweetness and Light
Physics & Astronomy
Objectives/Goals The objective was to determine how the density of a sugar-water solution and the color of laser light shone through the solution affect the angle of deflection of the light.…
CSEF · 2011
Swim Faster! Salt and Chlorine Pools and the Effect on a Competitive Swimmer's Time
Aerodynamics/ Hydrodynamics (Junior Division Only) Honorable_mention Award
Objectives/Goals In competitive swimming,a second can make the difference. However, there is little research regarding swim speeds between salt and chlorine water pools. This study investiga…
CSEF · 2011
The Chain Gang
Electronics & Electromagnetics
Objectives/Goals My science fair experiment investigated tabletop linear accelerators. The experiment tested chain reactions using the forces of magnetic and kinetic energy. The question is…
CSEF · 2011
The Effect of a Difference between the Ratios of Cu and Zn in Brass on the Distance It Travels when Fired from a Railgun
Electronics & Electromagnetics
Objectives/Goals The purpose of this experiment is to determine the difference in distances of brass when it is fired from a railgun and if the difference in its distance has a trend with th…
CSEF · 2011
The Effect of Geometry and Surface Roughness on Aerodynamic Resistance
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals The objective of this experiment was to investigate the sensitivities of different geometries and surface textures to the amount of aerodynamic drag produced. It was hypothe…
CSEF · 2011
The Effect of Lift on Angle of Attack
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals My project was to determine if Bernoulli's equation of lift can accurately predict lift by measuring the speed under and over the wing as I change the angle of attack to cla…
CSEF · 2011
The Effect of Shape on Parachute Speed
Aerodynamics/ Hydrodynamics (Junior Division Only) Honorable_mention Award
Objectives/Goals The objective was to determine the effect of parachute shape on its descending speed. Methods/Materials First, I gathered my materials and found a good spot to drop my parac…
CSEF · 2011
The Gauss Cradle: An Experiment on the Application of Magnetic Potential Energy
Electronics & Electromagnetics Honorable_mention Award
Objectives/Goals The Gauss Cradle uses the concepts demonstrated in both Newton#s Cradle and Gauss Rifle to isolate the magnetic potential energy and measure the maximum amount of energy tha…
CSEF · 2011
The Human Battery: Reducing the Human Body's Resistance to the Flow of Current
Electronics & Electromagnetics
Objectives/Goals With the development of cell phones and other small devices that we carry with us has come the problem of keeping their batteries charged. It would be wonderful if people co…
CSEF · 2011
The Hunt for Red October: Fact or Fiction? An Experimental Validation of Magnetohydrodynamic Propulsion
Electronics & Electromagnetics
Objectives/Goals The purpose of this experiment was to test the analytical MHD propulsion theory. The theory states that thrust will increase linearly with current and magnetic field strengt…
CSEF · 2011
The Journey of Sound
Electronics & Electromagnetics
Objectives/Goals The project was test how different liquids change sound energy into electrical energy. It was thought that the liquid with the highest acidity levels would produce the highe…
CSEF · 2011
The Microbial Fuel Cell: Is Warmer Better?
Electronics & Electromagnetics
Objectives/Goals A microbial fuel cell is a bio-electrochemical system that creates electrical power by copying bacterial interactions found in the natural world. The bacteria within the fue…
CSEF · 2011
The Minicomputer/Projector: An All-In-One Mobile Solution for an Interactive "Touch Screen" Interface on Any Surface
Electronics & Electromagnetics Honorable_mention Award
Objectives/Goals This experiment was conducted for the purpose of answering the following question: Can a computer be combined with a projector and infrared cameras to create a pocket-sized…
CSEF · 2011
The Physics of the Party Balloon: On Laplace's Law, Nonlinear Elasticity, and Their Uses in Physiology and Medicine
Physics & Astronomy First Award
Objectives/Goals Balloons are similar to many mammalian organs such as the heart, bladder, lungs and arteries. Balloons are also used in angioplasty to unclog blocked arteries. In all of the…
CSEF · 2011
Thermoreflectometry for Detecting Corrosion in Steel Reinforced Concrete
Physics & Astronomy
Objectives/Goals The objective is to integrate electromagnetic heat induction and infrared (IR) thermograph technology for nondestructive detection of steel corrosion in concrete, by taking…
CSEF · 2011
The Science of Blood Splatter Analysis
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals The purpose of this experiment is to learn whether and how the texture or the angle of a blood splattered surface might affect the interpretation of the evidence found at a…