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.
Plant Sciences
The electromagnetic field is the medium of electromagnetic action that possesses energy and momentum and is present in all organisms. Although its mechanisms of interaction with biological s…
Plant Sciences
Farmers resort to using chemicals and conventional techniques globally to expedite crop growth to satisfy large populations. Currently, available chemical fertilizers are endangering farmers…
Plant Sciences
Second Award
A child dies from hunger every 10 seconds due to the rising global crisis in food accessibility, security, and sustainability. Therefore, the need for a sustainable food source is becoming m…
Plant Sciences
The unique carbon fixation and CAM photosynthesis process of Tucson, Arizona’s Opuntia engelmannii (Texas prickly pear) offers reduction to the ever-rising carbon dioxide atmospheric levels;…
Plant Sciences
Third Award
According to the US Department of Agriculture, drought decreases the crop yield of rice, the most common source of nutrition worldwide, by nearly 18%. Coupled with arsenic contamination in t…
Plant Sciences
The project has created a botanical anti-feedant against the feeding behaviour of whiteflies while also preventing vectoral transmission of various plant diseases caused by these insects. Wh…
Plant Sciences
The improper use of synthetic inputs in agriculture may impact the environment and human health. This research developed a biotechnological polymer seed coating rich in bioactive compounds t…
Plant Sciences
Fourth Award
Huanglongbing (HLB), more commonly known as citrus greening, is a devastating disease caused by bacteria that colonize tree phloem, restrict nutrient flow, and cause symptoms such as fruit d…
Plant Sciences
This study compares the impact of applying Indigenous Microorganisms (IMOs) cultivated through Natural Farming practices (IMO2-5) and the legume Coastal Jack-bean (Canavalia rosea) with synt…
Plant Sciences
Rice (Oryza sativa L.) is a staple food, providing 20% of the caloric needs for half of the global population. Rice production is adversely affected by abiotic stresses such as drought, sali…
Plant Sciences
The purpose was to determine the effectiveness of using Glycine max (soybean) to remove microplastics from soil. Due to the increase of microplastics in the environment, discovering methods…
Plant Sciences
I chose this project because I am interested in the effects of certain treatments on plants, specifically soybean roots. This experiment is mainly to provide insight into how glutamine affec…
Plant Sciences
The purpose of this project was to create an innovative way to fertilize, using protists applied to the soil and add to research on the effects of protists in soil, specifically researching…
Plant Sciences
Decomposition plays a crucial role in maintaining healthy soil ecosystems. The breakdown of organic matter (field and harvest litter) by decomposers (microorganisms) releases essential nutri…
Plant Sciences
Fourth Award
Cuscuta, known as dodder, is a parasitic plant which draws all necessary resources from its host through the formation of haustoria, root-like organ structures. Its hosts include Arabidopsis…
Plant Sciences
Turfgrass is a perennial ground cover adapted to withstand persistent mowing and all traffic. Light, water, humidity, climate, soil conditions and season, are key factors in selecting a turf…
Plant Sciences
How do PFAS chemicals impact chlorophyll in the process of photosynthesis? PFAS chemicals, or polyfluorinated substances, are commonly found in things such as tents, cookware, and waterproof…
Plant Sciences
Second Award
To address the depletion of seagrass, this study aimed to understand seagrass conservation approaches by investigating the impact of varying salinity levels and temperature fluctuations on t…
Plant Sciences
Third Award
Wasabi (Japanese horseradish: Eutrema japonicum, synonym Wasabia japonica) is an endemic species in Japan that has been cultivated as a traditional Japanese condiment. However, Ulleung wasab…
Plant Sciences
There are 500,000 abandoned mine sites in the United States. Mine tailings cause land to remain un-vegetated for decades, characterized by low pH, high salinity, low organic matter, and effl…
Plant Sciences
Erratic weather patterns, protracted droughts, and hazardous runoffs threaten the availability of sufficient water for food producers. One solution in combating this issue is using Superabso…
Plant Sciences
Fourth Award
The fight to end global hunger in a sustainable fashion has been a struggle. There are still few agricultural technologies aiding the situation. Using the bacterial endophyte Pseudomonas psy…
Plant Sciences
Does an ideal humidity accelerate maturation in Geraniums and Petunias compared to native, relative humidity in their natural environments? My project compares and contrasts the intrinsic re…
Plant Sciences
This project compares the water efficiency and germination success rates of traditional nursery pots with the wicking bed - a modern, self-watering gardening technique. I investigate whether…
Plant Sciences
Hydroponics aims to reduce water consumption and facilitate optimal nutrient absorption while increasing crop cultivation. However, pests and harmful bacteria can enter these hydroponic stru…
Plant Sciences
This study aims to determine if planting population affects yield and quality. In 2022 the market for corn silage was secured at $342.4 Million and is estimated to be valued at US$ 677.33 Mi…
Plant Sciences
This experiment aimed to study the effect of different gravity environments on seed growth using a Clinostat with varying degrees of rotation. The results showed that the gravity environment…
Plant Sciences
Invasive eucalyptus trees kill native plants and promote the spread of wildfires throughout the state of California. To limit the growth of eucalyptus trees in ecosystems, it is suggested th…
Plant Sciences
Rice is a staple food for millions around the world and the countries known for exporting it the most have the highest levels of arsenic in their groundwater. Hyperaccumulation of arsenic in…
Plant Sciences
Third Award
This study investigates plant-specific GAGA-binding factors, BASIC PENTACYSTEINEs (BPCs), which are known to exhibit overlapping and antagonistic effects on various developmental phenotypes,…