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 15991–16020

CSEF · 2003

Green Tree Frogs Changing Color

Zoology

Objectives/Goals My project was to test whether green tree frogs (Hyla cinerea) would change color to match their surroundings. Methods/Materials A 20 gallon aquarium was divided in half wit…

CSEF · 2003

Growing Crystals: Nature's Gems

Chemistry

Objectives/Goals The purpose of my project was to determine if temperature has an effect on crystal growth. I predicted that crystals grown in colder temperatures would grow faster but less…

CSEF · 2003

Growth of Water Bottle Bacteria

Microbiology

Objectives/Goals The goal of my project is to find out which environment (in a car, on a kitchen counter, on an outside surface, or in the refrigerator) makes a Crystal Geyser Natural alpine…

CSEF · 2003

Growth with Less Water

Plant Biology

Objectives/Goals The purpose of the project was if water storing granules (Rain Drops) helps to conserve water, while still being able to observe substantial growth in Perennial Ryegrass, Be…

CSEF · 2003

Gypsum's Effect on Soil Drainage

Earth Sciences/ Planetary Sciences/ Physical Environments

Objectives/Goals My objective in this project was to determine how effective gypsum is when applied to the soil in helping an almond tree absorb water. I wanted to discover how much faster t…

CSEF · 2003

Hand Washing: A Thing of the Past?

Microbiology

Objectives/Goals The Center for Disease Control has recently published new guidelines for hand hygiene in health-care settings. The guidelines recommend using alcohol-based products as an al…

CSEF · 2003

Hard Rock?

Earth Sciences/ Planetary Sciences/ Physical Environments

Objectives/Goals My objective was a comparative study on four different types of rocks to determine which type of rock is the hardest based on how fast it erodes. Methods/Materials Four diff…

CSEF · 2003

Health... in a Handful of Dust?

Earth Sciences/ Planetary Sciences/ Physical Environments

Objectives/Goals To prove whether or not rock dusts rapidly add a great deal of nutrients to soils, as opposed to chemical fertilizers. Methods/Materials Firts, four soils from four areas we…

CSEF · 2003

Health Wars: Are Incarcerated Students Healthy?

Social Sciences (Junior Division Only)

Objectives/Goals I wanted to find out if incarcerated students were as healthy as non-incarcerated students. My hypothesis was that students in jail would be healthier because of the strictn…

CSEF · 2003

House Saver

Applied Mechanics/ Structures & Mechanisms/ Manufacturing

Objectives/Goals The objective of my project is to provide a protective shield, which will quickly cloak a house, when it is threatened by a wildfire. Methods/Materials I made an inflatable…

CSEF · 2003

How Airfoil Design Affects Lift

Aerodynamics/ Hydrodynamics

Objectives/Goals To see how airfoil design affects lift. Methods/Materials To design a seires of 10 wings out of foam and test them in a home made wind tunnel to determine which wing went up…

CSEF · 2003

How Clean Is the San Dieguito River?

Environmental Science (Junior Division Only)

Objectives/Goals The purpose of my project was to discover how clean the water along the San Dieguito river watershed was, and where the cleanest area was. I believed the water nearest the s…

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