ISEF · 2018
The Napkin Ring Paradox
Mathematics
The Merriam-Webster dictionary defines a paradox as a "statement that is seemingly contradictory or opposed to common sense and is yet perhaps true." Can napkin rings from spheres of differe…
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 7921–7950
ISEF · 2018
Mathematics
The Merriam-Webster dictionary defines a paradox as a "statement that is seemingly contradictory or opposed to common sense and is yet perhaps true." Can napkin rings from spheres of differe…
ISEF · 2018
Engineering Mechanics
Purpose: Design and build a truss that has the highest ratio of stability to cost. Procedure: 1.Sketch a design for the diamond truss on a sheet of isometric graph paper. 2.Transcribe the sk…
ISEF · 2018
Earth and Environmental Sciences
Azo dyes are commonly used in the textile industry, and are a major constituent of textile factory waste. However, azo-linkages remain non biodegradable, and are highly toxic, linked the neu…
ISEF · 2018
Biomedical Engineering Third Award
Iron deficiency-caused anemia is prevalent in the Highlands of Peru because natural sources of iron have been removed from the Peruvian diet due to world economics. Instead of eating iron ri…
ISEF · 2018
Translational Medical Science
Currently, the effects of Alzheimer’s disease can be mitigated by using medicines that increase the amount of the neurotransmitter acetylcholine (ACh). Drugs that inhibit the acetylcholinest…
ISEF · 2018
Microbiology
The purpose of doing this project was to try to answer a previous question created by a former science fair project. The question was to find out if inhibition could be created by herb mold…
ISEF · 2018
Energy: Chemical
This research project focused on increasing the rate at which oxygen and hydrogen gases can be electrolyzed from water. As a base line, a small electrolyser built in 2016 was compared in oxy…
ISEF · 2018
Computational Biology and Bioinformatics
Parkinson’s disease (PD) is identified and associated with symptoms such as changes in gait stability, slowness of movement, essential tremor, and changes in cognitive function. Symptoms and…
ISEF · 2018
Energy: Chemical
This experiment was performed to determine what base oil would produce the highest quality of biodiesel. The oils used were Canola, Vegetable Oil, and Safflower Oil. these oils were chosen a…
ISEF · 2018
Physics and Astronomy
Astronomers who measure light levels of stars have noticed that not all stars emit light at a constant rate. By the 20th century, a star called “RR Lyrae” was discovered to be a variable sta…
ISEF · 2018
Physics and Astronomy
There is a well known gadget in field of electronics where a Junction Field Effect Transistor (JFET) moderates the flow of current to an LED by responding to an external electric field. The…
ISEF · 2018
Materials Science
Manipulating heat is an ancient art that sparked human civilization and continues to attract significant interest from the scientific community. Materials with low thermal conductivities can…
ISEF · 2018
Microbiology
Five million gallons of formaldehyde are used in the funeral industry annually. Formalin based products are designated biohazards and carcinogens. To reduce groundwater pollution, natural, u…
ISEF · 2018
Biochemistry Fourth Award
Ischemic stroke is one of the leading causes of death and permanent disability. Blood- brain barrier (BBB) disruption greatly contributes to ischemic brain damage. Lysophosphatidic acid (LPA…
ISEF · 2018
Computational Biology and Bioinformatics
The purpose of this in-silico experiment was to explore a way to model the transition of bacterial populations (persister and normal). The hypothesis theorizes that by studying the role of r…
ISEF · 2018
Biomedical and Health Sciences
T-cell acute lymphoblastic leukemia (T-ALL) is a quickly progressing cancer of the hematopoietic system that is caused by the malignant transformation of T-cell progenitors. Researchers have…
ISEF · 2018
Animal Sciences
Macroautophagy is an essential process in eukaryotic cells, involving the degradation and recycling of cytosolic components during stress conditions such as nutrient deprivation. Obtaining a…
ISEF · 2018
Biochemistry
Obesity is a major problem in the United States, affecting over one-third of the U.S. adult population. The best solution to this problem is to exercise, however, this method is difficult fo…
ISEF · 2018
Physics and Astronomy
Bok Globules are dense clouds of molecular hydrogen gas that are generally associated with emission nebulae and young star clusters. It has been hypothesized that these clouds represent the…
ISEF · 2018
Chemistry
Metal Organic Chemical Vapor Deposition (MOCVD) precursors have properties that are beneficial in creating mixed-metal electronic thin-film materials such as ferroelectric SrBi2Ta2O9 and sup…
ISEF · 2018
Microbiology
The purpose of the research was to determine if temperature had a significant effect on the zone of inhibition produced by the bacteria Pseudomonas protegens against the fungus Pseudogymnoas…
ISEF · 2018
Plant Sciences
The purpose of this experiment was to determine whether simulated drift of Dicamba herbicide would affect soybean yield in tonnes per hectare (T/Ha). The herbicide Dicamba is traditionally u…
ISEF · 2018
Biomedical Engineering
Electrocardiograms (ECGs), which show a person's heartbeat patterns, are essential for identifying heart diseases hinted by arrhythmias. Some of these patterns can be detected using modern-d…
ISEF · 2018
Cellular and Molecular Biology
Natural killer (NK) cells are an important subset of immune cells in anti-tumor immunity; however, much is still unknown about what mechanisms activate NK cells and make them more efficient…
ISEF · 2018
Engineering Mechanics Third Award
Physical winglets offer widespread lift to drag force improvement for commercial and cargo aircraft; unfortunately, their improvements cannot be applied to fighter or short take-off and land…
ISEF · 2018
Plant Sciences Second Award
The forest ecosystem contains a mycorrhizal fungi network that interweaves different organisms and facilitates nutrient and chemical transfers. The orchid G. spectabilis is an agent in this…
ISEF · 2018
Physics and Astronomy Third Award
Gravitational waves offer promising new ways to detect astronomical phenomena such as binary black hole systems, supernovae, and background gravitational waves from the Big Bang. We focused…
ISEF · 2018
Environmental Engineering
Women in India and Africa ultimately do not have the necessary resources for women hygienic routines. Also, the forming problem of TSS in the environment is affecting the lives of many peopl…
ISEF · 2018
Microbiology
The purpose of this project is to see if silver nanoparticles and/or silver nitrate can cause zones of inhibition in MSSA-23 and MRSA-9. Based of the results and a literature review, determi…
ISEF · 2018
Chemistry
Objective: Synthesize gold nanoparticles (AuNPs) surrounded by a titania (TiO2) hollow shell to serve as a more efficient photocatalyst. Method: The AuNPs were prepared by mixing the gold pr…