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 601–630

CSEF · 2026

The Best Acne Oil Reducer

Product Science (Junior Division)

Acne is a skin condition driven by excess sebum (oil), it affects a large number of people and causes multiple mental and physical issues. The purpose of this project is to determine which a…

CSEF · 2026

The Bright Side of the Spectrum

Physics & Astronomy (Junior Division)

A polarizing filter is an optical device that transmits only light waves vibrating in one direction while absorbing others. It reduces reflections and glare, enhances color saturation, and i…

CSEF · 2026

The Confidence Crisis

Behavioral & Social Sciences (Junior Division)

The confidence crisis is all about how the amount of social media teens between the ages of 11-15 spend on social media affects their self confidence. What inspired this project was we wante…

CSEF · 2026

The Effect of MgCl2 on Planaria Regeneration

Zoology (Senior Division)

My project investigates the effects of magnesium chloride (hexahydrate) on the regeneration speeds of planaria, a low-level invertebrate flatworm. Planaria are well known for their exception…

CSEF · 2026

The Effect of Oil on Elodea

Earth & Environmental Sciences (Track 2) (Junior Division)

Our Essential Question was "How does oil affect aquatic plants?" Our Hypothesis was "If we increase the amount of oil in a water like habitat the elodeas health will decrease." We were able…

CSEF · 2026

The Effect Of Photobiomodulation On Biomass

Plant Biology (Junior Division)

As the size of the world’s population and the need for food increases, new techniques must be developed to farm more efficiently. Prior research indicates that red light can be beneficial to…

CSEF · 2026

The Effect of Temperature on Magnet Velocity

Electronics & Electromagnetics (Junior Division)

Purpose: Does temperature effect the velocity of magnets? Hypothesis: Heating magnets will make them attract to each other slightly faster than magnets that are at a cooler temperature. Meth…

CSEF · 2026

The Effects of 432 Hz vs. 440 Hz

Behavioral & Social Sciences (Senior Division)

In my experiment, I investigated the effects of music tuned to 432 Hz versus 440 Hz on short-term memory, emotional state, and relaxation markers in students. Middle school and high school p…

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