11705 projects whose affiliated fair was here, most recently in 2026.
ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.
11705 projects · showing 8791–8820
ISEF · 2017
Microbiology
The objective of this experiment was to study and compare oregano oil as a method of treating Ostertagia ostertagi, a type of roundworm parasite. The hypothesis was that the essential oil or…
ISEF · 2017
Plant Sciences
The purpose of this experiment is to explore how acid precipitation affects the vascular and endocrine system of plants as measured by the rate of transpiration and degree of gravitropism of…
ISEF · 2017
Biomedical and Health Sciences
This project was designed to study how triclosan in antibacterial toothpaste affects the ecology of the oral flora. 41 participants brushed with non-antibacterial toothpaste twice a day for…
ISEF · 2017
Microbiology
Microbial Fuel Cells (MFCs) are fuel cells that use the power of bacterial metabolic activity to convert chemical into electrical energy. In studies on MFCs, there remains speculation on whe…
ISEF · 2017
Biomedical and Health Sciences
Vitamin C has many health benefits and can reduce the risk of various diseases, but nutritionists say cooking, especially boiling, decreases vitamin C content because it is water soluble. Si…
ISEF · 2017
Microbiology
Library books are handled by many different people and are often left in sometimes warm or damp environments. This experiment investigates how the rate of checkout (circulation rate) affects…
ISEF · 2017
Behavioral and Social Sciences
The purpose of this research was to discover if color preference has a direct impact on the ability of rapid math recall. 140 students took 6 tests on different colors of paper, with one of…
ISEF · 2017
Animal Sciences
A horse’s heart rate and behavior is critical in many aspects of the equine world, e.g. sports events. This experiment studied the effect of different genres of music when grooming a horse o…
ISEF · 2017
Engineering Mechanics
Golfers constantly strive to improve their game, shot distance in particular. There are many things that influence distance on a golf ball. Some of these factors include: dimple: quantity, d…
ISEF · 2017
Behavioral and Social Sciences Fourth Award
In essentially all organisms, aggression is a behavior that provides not only benefits, such as access to resources and mates, but also risks such as injury. While research has identified ne…
ISEF · 2017
Earth and Environmental Sciences
Due to the constant lead poisoning of civilians around the world, the field of biosorption as a purification method is quickly growing and developing. This process is done using common baker…
ISEF · 2017
Biomedical and Health Sciences
Melatonin, a hormone endogenously secreted in the pineal gland, is known for its regulation of circadian rhythm and photoperiodism in vertebrates. Since melatonin levels in humans decrease w…
ISEF · 2017
Behavioral and Social Sciences
This project used a custom-built online survey tool to compare the readability of fonts designed for use on highway signs around the world under blurred conditions. The survey tool presented…
ISEF · 2017
Plant Sciences
In this experiment seven different allotted water amounts will be applied to fourteen different cotton cultivars to see the effects on lint yield differences. Cotton is a vital commodity in…
ISEF · 2017
Mathematics
Language is the lens through which humans see the entire world. The purpose of this research project is to observe how the language in which a message is written impacts the time required fo…
ISEF · 2017
Earth and Environmental Sciences
Fireflies help our environment stay balanced and with vanishing populations, it is becoming a more important cause to keep them reproducing. With the increasing spread of light pollution, th…
ISEF · 2017
Cellular and Molecular Biology
Tissues in our body experience a variety of mechanical stimuli that are important in physiological and pathophysiological conditions. Compression can arise from cells in the stiff micro envi…
ISEF · 2017
Biochemistry
MSG is a food additive that causes negative side effects such as nausea and headaches. These symptoms are caused by the degranulation of lymphocytes. Tryptase is a major component of lymphoc…
ISEF · 2017
Biomedical and Health Sciences
Purpose: Nuclear receptors are a family of transcription factors that regulate a range of biological processes. While most are regulated by ligands, orphan receptors have been found to have…
ISEF · 2017
Chemistry
Antioxidants are theorized to help reduce the risk of degenerative diseases by helping to destroy and neutralize free radicals arising from oxidative reactions in our body. A voltaic cell co…
ISEF · 2017
Animal Sciences
In the last half decade alone, 30% of the national bee population has disappeared and nearly a third of all bee colonies in the U.S. have perished. One factor contributing to this decline is…
ISEF · 2017
Translational Medical Science
While many pharmacological treatments show potential in a lab setting, clinical results show that cancer remains one of the most prominent causes of death throughout the world. These transla…
ISEF · 2017
Biomedical and Health Sciences Second Award
Alzheimer’s Disease (AD) is a degenerative brain disorder resulting in neuronal death and loss of memory and cognition. However, the exact etiology of AD is not completely understood. This n…
ISEF · 2017
Behavioral and Social Sciences Third Award
This study investigated how paper (PRM), electronic (ERM), and audio-electronic (AERM) reading modalities affected reading comprehension in adults age 60 and older. It was hypothesized that…
ISEF · 2017
Biomedical and Health Sciences Second Award
Bisphenol A (BPA), an environmental pollutant and ubiquitous endocrine disruptor, is associated with obesity, cancer, and childhood neurological disorders. Because BPA has similar structure…
ISEF · 2017
Plant Sciences Second Award
Saltwater intrusion is a major cause of erosion. If a hybrid bald cypress species is superior to the regular bald cypress species at surviving in saline conditions, then planting these hybri…
ISEF · 2017
Behavioral and Social Sciences
By determining and analyzing the factors that impact an eyewitness's accuracy, the risk for inaccuracy can be estimated. This study elaborates on two previous studies assessing the effects o…
ISEF · 2017
Microbiology
Naegleria fowleri is the cause of Primary Amoebic Meningoencephalitis (PAM), a deadly disease that mainly affects poorer nations and is very difficult to treat properly. This experiment is m…
ISEF · 2017
Engineering Mechanics
This experiment studied the relationship between mass and calculated structural efficiency in scale sized box girder beams constructed from clear poplar hardwood. By calculating the efficien…
ISEF · 2017
Microbiology
The purpose of this experiment was to test in what wavelength the cyanobacteria Cylindrospermum (Substitute for Chroococcidiopsis) grows best and whether these wavelengths had an effect on t…