CSEF projects, 2002–2026

Every California Science & Engineering Fair project Fairfolio holds: 17,387 entries across 24 years, with the abstract, category and awards the fair published for each one.

CSEF coverage: available historical abstracts for 2002–2019; award-listed projects only for 2021–2025, without abstracts and with explicit labels where titles were not published, except that most 2023 winners carry the abstract from CSEF's archived public showcase; public showcase abstracts for 2026. The 2020 fair was canceled.

Years

Category breakdown

Counts cover every year of this fair and use its own category labels, exactly as the source published them. Each one links to that category's CSEF projects.

Projects

17387 projects · showing 17251–17280

CSEF · 2002

The Self-Sipper

Applied Mechanics/ Structures & Mechanisms/ Manufacturing

Objectives/Goals The goal of my invention was to create a cup for people who have difficulty drinking liquids due to permanent or temporary disabilities. Methods/Materials After visiting a h…

CSEF · 2002

The Skin of the Earth

Earth Sciences/ Planetary Sciences/ Physical Environments

Objectives/Goals My objective is to find out which type of soil will hold in the most moisture over a period of time: Potting, Sand, Clay, or Mixed soil. I believe that potting soil will ret…

CSEF · 2002

The Stroop Effect with Numbers

Behavioral Sciences

Objectives/Goals My objective was to see if people have difficulties saying a number for example 4, when that number has something around it. For example if there's a number 4 and it has lit…

CSEF · 2002

The Sugar Osmometer

Chemistry

Objectives/Goals The objective of my experiment was to determine if the concentration of sugar in a dialysis tubing 'sausage' affected the rate at which water diffused into the 'sausage' to…

CSEF · 2002

The Visible Wavelengths of Light

Physics & Astronomy

Objectives/Goals All light sources produce a wavelength or wavelengths of some kind. I performed many experiments to try to study the wavelengths of certain light sources. I thought that the…

CSEF · 2002

The World of Polymers

Applied Mechanics/ Structures & Mechanisms/ Manufacturing

Objectives/Goals My objective was to conclude in which direction you can stretch a strip of plastic grocery bag further. Methods/Materials I obtained a plastic grocery bag and cut it into st…

CSEF · 2002

They're Off to a Great Start!

Plant Biology

Objectives/Goals We have a dry, wind, and cold climate that#s not very good for growing plants. The purpose of this experiment was to see how we could make the plants grow the best early in…

CSEF · 2002

Three Is a Crowd

Plant Biology

Objectives/Goals The objective of my ecperiment was to determine the effect of density, if any, on the growth and development of Chinese broccoli. Methods/Materials I used 15 pots, soil and…

CSEF · 2002

Tipsy Worms

Pharmacology/ Toxicology

Objectives/Goals I think that alcohol, which is a central nervous system (CNS) depressant in humans, will also have a depressant effect on worms. I wanted to design a simple bioassay to test…

CSEF · 2002

Tobacco Is a Mouthful

Microbiology

Objectives/Goals My objective was to find out if the different amounts of nicotine and tar in cigarettes affected the amount of bacteria in your mouth. Methods/Materials I had the adult smok…

CSEF · 2002

To Lye or Not to Lye

Chemistry

Objectives/Goals To determine if different fats/oils affect the pH level of soap after the saponification process. Methods/Materials For my first test I made four batches of soap using a bas…

CSEF · 2002

Torque and Speed

Applied Mechanics/ Structures & Mechanisms/ Manufacturing

Objectives/Goals What is the relationship between the torque and speed of a vehicle? Hypothsis: If gear ratio (input to final drive) values increase, then the speed of a vehicle will decreas…

CSEF · 2002

To See or Not to See

Behavioral Sciences

Objectives/Goals I wanted to determine the range of response of differing human ages to the Stroop Effect. This would measure the discrete ability of people to focus on differnt things simul…

CSEF · 2002

Total DNA and Organism Complexity

Biochemistry/ Molecular Biology

Objectives/Goals The object of my project was to determine if I could extract pure DNA by a simple kitchen technique from several diverse plant and animal species, quantify the amount, and c…

CSEF · 2002

Toxic Impact on Plants

Pharmacology/ Toxicology

Objectives/Goals The most toxic products should have the greatest impact on growth of plant seeds. Methods/Materials 3 dilutions of each product were prepared(eg.1%bleach,3.2%bleach,10%bleac…

CSEF · 2002

Treating Pasteurella multocida

Pharmacology/ Toxicology

Objectives/Goals To determine which antibiotic treats the disease pasteurella multocida most effectively. Methods/Materials Antibiotic disks- oxacillin, clindamycin, ciprofloxacin, tetracycl…

CSEF · 2002

Truss Analysis: A Study in Engineering Practices

Structural Capability & Strength of Materials (Junior Division Only)

Objectives/Goals "Can you combine member strength analysis and static analysis to form a predictive model for craft stick truss bridge failure?" My project applies engineering practices to a…

CSEF · 2002

Tuning an Instrument Using Beats

Physics & Astronomy

Objectives/Goals I wanted to learn how to tune my instrument withouth the use of an electric tuner. If two frequencies overlap, they will produce loud bursts of sound where two peaks match.…

CSEF · 2002

Tuning into the Atomic Theory

Physics & Astronomy

Objectives/Goals For my experiment I asked the Question, "How does temperature effect the frequency of a scientific tuning fork? Is the frequency change linear or nonlinear?" Methods/Materia…

CSEF · 2002

Turning the Tortoise into the Hare

Physics & Astronomy

Objectives/Goals This experiment was done to discover if hitting the ketchup that has been refrigerated for 24 hours or at room temperature for 24 hours, would fill your need to feed faster.…

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