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Search past science fair projects

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.

2559 projects · showing 2251–2280 CSEF — clear fair filter Physics and Astronomy — clear category filter Clear all

CSEF · 2004

What Didge You Hear?

Physics & Astronomy

Objectives/Goals My objective was to build a didgeridoo (didge) type musical instrument of any desired base frequency by using and verifying the appropriate acoustic physics model. I tried t…

CSEF · 2004

What Do Lasers Go Through?

Physics & Astronomy

Objectives/Goals The objective was to test red lasers with different items to see which items let red laser energy pass through. I thought that the clearer the item was the more energy would…

CSEF · 2004

What Size Hydrofoil Does My Sailboat Need?

Aerodynamics/ Hydrodynamics

Objectives/Goals To find out what size hydrofoil(s) would be needed to lift and sustain a small sailboat, with myself on it, out of the water. I own a small sailboat, and want to put hydrofo…

CSEF · 2004

Wow! The Wonders of Winglets!

Aerodynamics/ Hydrodynamics

Objectives/Goals Does adding winglets to a Boeing 757 reduce it's wake vortex? I think that adding winglets will reduce the wake vortex of the 757. Methods/Materials Materials: Dry ice, cool…

CSEF · 2004

Zero Gravity Elevator Experiment

Physics & Astronomy

Objectives/Goals The objective of this project was created to test or prove three laws of gravity by Isaac Newton, his first and second law of motion, and Albert Einstein, the General Theory…

CSEF · 2003

A Breakthrough in Aerodynamic Technology

Aerodynamics/ Hydrodynamics

Objectives/Goals Finding a method of parasitic drag reduction by altering the flow of aerodynamic boundary layers. The experiment will determine which method will result in the greatest amou…

CSEF · 2003

A New Generation of Efficiency

Electricity & Electronics

Objectives/Goals The goal of our final project (this science fair spurred a number of experiments, many of which failed)is to determine the efficiency of a hand-built AC generator in relatio…

CSEF · 2003

A Question of Propellers

Aerodynamics/ Hydrodynamics

Objectives/Goals My project was to determine whether an increase in propeller size of an indoor free flight rubber band powered aircraft will lengthen its flight duration. I believe that if…

CSEF · 2003

A Random Walk Down Chaos Street

Electricity & Electronics

Objectives/Goals This project shows that it is possible to predict the onset of chaos in an electrical circuit, an example of a nonlinear dynamic system. It was hypothesized that if the firs…

CSEF · 2003

A Stroke of Propulsion

Aerodynamics/ Hydrodynamics

Objectives/Goals The objective of my project was to determine which of the four competitve swim stroke exerts the most propulsion. I believe the breaststroke will have the most propulsion de…

CSEF · 2003

At What Angle of Attack Will a Plane Stall?

Aerodynamics/ Hydrodynamics

Objectives/Goals My objective was to find the exact degree of angle of attack that a plane would stall. Methods/Materials i built a wind tunnel that got 30 mph in the test section (where the…

CSEF · 2003

Blocked Frequencies

Physics & Astronomy

Objectives/Goals The objective of the project was to test the effectiveness of various types of earplugs using a Vernier decimeter to detect how much sound the earplugs blocked. Methods/Mate…

CSEF · 2003

Brainwave Derived Electronic Control

Electricity & Electronics

Objectives/Goals The main goal of this project is to demonstrate the feasibility of building a low-cost Brain Computer Interface (BCI) for electronic control of devices using Electroencephal…

CSEF · 2003

Calculating Thickness of Soap Films

Physics & Astronomy

Objectives/Goals The objective is to calculate the thickness of a soap film at a variety of constant downward velocities. Methods/Materials To create an adequate soap film solution, 12 teasp…

CSEF · 2003

Can You Hear Me Now?

Electricity & Electronics

Objectives/Goals The purpose of this project was to determine which carrier received the best cell phone reception in Simi Valley, determining which transmission worked the best. It also tes…

CSEF · 2003

Can You Resist the Heat?

Physics & Astronomy

Objectives/Goals This project examines the relationship between the temperature of a sodium chloride solution and the solution's electrical resistance. I carried out this project to learn ab…

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