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 · 2026
Environmental Engineering (Junior Division)
The purpose of this project is to make potable water accessible to all by using common household plants to filter dirty water. The hypothesis for this project was that out of the onion, pars…
CSEF · 2026
Earth & Environmental Sciences (Track 2) (Junior Division)
Fertilizers are essential for crop production, but excess nutrients can enter waterways through runoff and contribute to environmental pollution. The objective of this study was to determine…
CSEF · 2026
Environmental Engineering (Junior Division)
GuardianNose BY: Matthias Garzon Air pollution, allergens, and fine particulate matter (PM2.5) pose serious health risks, particularly for individuals with asthma and other respiratory condi…
CSEF · 2026
Electronics & Electromagnetics (Senior Division)
Children dying from vehicular heatstroke is one of the leading causes of non-crash, vehicle-related deaths for those ages 14 and younger. On average, about 39 children and hundreds of pets d…
CSEF · 2026
Microbiology (Senior Division)
Heavy metal water pollution is a growing concern in Southern California due to industrial discharge and urban stormwater runoff. Live bacterial biosensors provide a low-cost platform for mon…
CSEF · 2026
Earth & Environmental Sciences (Junior Division)
This project focuses on stream health through the macroinvertebrate population. Certain insects have higher sensitivities to pollution and are good markers of watershed health due to their i…
CSEF · 2026
Earth & Environmental Sciences (Track 2) (Junior Division)
Have you ever wondered how to improve the quality of your soil? My family owns and farms an orange grove, and the success of our grove depends on maintaining healthy soil. That is why I want…
CSEF · 2026
Plant Biology (Senior Division)
Many vegetables contain natural pigments like anthocyanins, that contribute to their color and nutritional value. This project investigated the effect of varying temperatures on the rate of…
CSEF · 2026
Microbiology (Junior Division)
Have you ever wondered how the chemicals used in your garden or backyard might impact not just plants, but also the invisible world beneath your feet and even your own immunity? According to…
CSEF · 2026
Zoology (Senior Division)
Obesity is a global epidemic, affecting 40% of the population in the United States. Diet-induced obesity, the most common form of obesity, is associated with numerous health risks, including…
CSEF · 2026
Physics & Astronomy (Junior Division)
The purpose of this experiment was to determine which hockey stick flex is most effective for improving shooting accuracy and speed in junior high hockey players. This investigation was cond…
CSEF · 2026
Applied Mechanics (Senior Division)
ABSTRACT Holding Back the Flow: Designing Cutoff Walls to Prevent Potential Dam Failure The California Central Valley has four dams that are classified as High Urgency due to water seepage c…
CSEF · 2026
Electronics & Electromagnetics (Senior Division)
This project aims to design a single, contained module that reduces the effect of motion sickness in cars by providing additional visual, auditory, and/or haptic cues to the passengers. Acco…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Wildfires are becoming increasingly frequent and devastating, threatening lives, ecosystems, and infrastructure across the globe. The 2025 Los Angeles fires alone caused an estimated $250–27…
CSEF · 2026
Earth & Environmental Sciences (Track 2) (Junior Division)
My project was to determine if stormwater discharge can impact the water quality in Widow White Creek. I collected benthic macroinvertebrates upstream and downstream of a storm drain, as a b…
CSEF · 2026
Plant Biology (Junior Division)
When a potato I planted in the courtyard planter grew into a tiny, greenish potato, I wondered if the potatoes' growth was impacted by the courtyard's dense soil. This led me to my investiga…
CSEF · 2026
Chemistry (Junior Division)
The goal of this experiment was to determine whether copper corrodes more quickly in acidic water than in neutral water. While copper is essential to your health, having too much can be toxi…
CSEF · 2026
Behavioral & Social Sciences (Senior Division)
Climate change is one of the biggest issues we face today. This project investigates how the knowledge of climate change can correlate with human behaviors. The purpose of this project was t…
CSEF · 2026
Zoology (Junior Division)
The purpose of this experiment is to understand how different temperatures in the environment affect the reproduction rate of isopods. This information is important because isopods are a hug…
CSEF · 2026
Physics & Astronomy (Senior Division)
The double-slit experiment (originally done by Thomas Young in 1801) is done by pointing a concentrated beam of light towards to two very thin slits (which are very close to each other), res…
CSEF · 2026
Materials Science (Junior Division)
Purpose: Ultraviolet (UV) radiation from the sun can damage human skin, and many rely on clothing for protection. However, the UV blocking ability of fabric may decrease after repeated laund…
CSEF · 2026
Electronics & Electromagnetics (Junior Division)
As trains advance more and more every day safety becomes the highest priority in maglev train engineers designs. The objective of this experiment is to stop a maglev train short of the safet…
CSEF · 2026
Applied Mechanics (Junior Division)
My project title is How Much Drag Can A Fish Knot Carry? Through my research, I learned that most line breaks and loss of fish id due to the breakage at the knot. The knot has always been a…
CSEF · 2026
Product Science (Junior Division)
Millions of beverages are discarded annually due to improper storage, yet consumers lack simple tools to assess whether a drink has degraded. This project investigates how four common storag…
CSEF · 2026
Physics & Astronomy (Junior Division)
Water pollution can affect several aspects of aquatic environments, underwater location systems, and further scientific study. The purpose of my experiment was to determine whether different…
CSEF · 2026
Medicine & Physiology (Senior Division)
Sleep deprivation is a widespread public health issue that is known to impair many areas of cognitive function mainly due to its normalization in today's modern society. Yet, its effects und…
CSEF · 2026
Cognitive Science (Junior Division)
Priming is a psychological phenomenon that has a large impact on many aspects of society, including our day-to-day decisions. A particular form of priming, masked priming, can bias people's…
CSEF · 2026
Computational Science (Senior Division)
Cybercrime threatens critical infrastructure, economic assets, and privacy, with financial loss from cybercrime continuing to increase each year. The proliferation of increasingly complex, c…
CSEF · 2026
Earth & Environmental Sciences(Senior Division)
California’s $500+ million marsh restoration program assumes restored wetlands provide net climate benefits, yet no systematic framework exists for predicting whether specific restoration de…
CSEF · 2026
Earth & Environmental Sciences (Track 2) (Junior Division)
Wildfires can alter soil properties, making soils water-repellent and increasing the risk of flooding, erosion and long-term land degradation. This experiment examined how different soil tre…