369 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.
369 projects · showing 271–300
ISEF · 2017
Energy: Physical
This investigation develops an innovative solution to solving a community’s energy deficiencies through the use of its renewable resources. The hypothesis states that those deficiencies will…
ISEF · 2017
Microbiology
Lysyl oxidases are a family of enzymes that oxidize lysine residues, regulating many biological processes including extracellular matrix stabilization. In this project we focused on lysyl ox…
ISEF · 2017
Energy: Physical Fourth Award
In this second phase research the problem was: Will the design and construction of a real-scale smart lighting system be functional when used under the actual conditions of highways and tunn…
ISEF · 2017
Materials Science
Bagasse is the solid material by product after sugar cane trees are processed. The problem was: Is it possible to use bagasse as an economic and ecological material that is a sustainable alt…
ISEF · 2017
Energy: Chemical
The purpose of this research was to test whether bio-diesel fuels made from different vegetable oils (canola oil, corn oil, grapeseed oil and peanut oil) differed in efficiency, and to deter…
ISEF · 2017
Plant Sciences
The following research analyzes the effect of pine tree needle, Pinus Pinasters, infused as an herbicide in a home garden. The hypothesis postulates that if the pine tree needles contain all…
ISEF · 2017
Earth and Environmental Sciences
In response to the global environmental crisis, scientists are beginning to narrow investigation upon the extraction of algae oil as a means of producing biofuel, which is commonly combined…
ISEF · 2017
Energy: Physical
A circuit was created in order to transform alternate current to direct current using kinetic energy with piezoelectric sensors. Those sensors are capable of producing 5 V to 10 V. The hypot…
ISEF · 2017
Mathematics
There are numerous mathematical systems that are implemented in the process of archaeological seriation. Archeological seriation is a relative dating process in which assemblages are placed…
ISEF · 2017
Embedded Systems
Mosquitoes are known carriers of different viruses such as: Chikungunya, Dengue, Zika, among others (WHO, 2016). The bite of these insects can be dangerous for human health since some can le…
ISEF · 2017
Chemistry
The purpose of this research is to use the Citrus sinensis peel to develop a polymer capable of adsorbing and retaining heavy metals dissolved in water such as the hexavalent chromium which…
ISEF · 2017
Embedded Systems
In the case of an emergency, such as a fire or earthquake, one of the main sources to become aware of the situation is a sound alarm or siren to indicate the security measures to be taken. T…
ISEF · 2017
Energy: Chemical
The bacterium Geobacter sulfurreducens is part of anaerobic soils and sediments that couples organic compounds and converts them into electricity. Soil is the superficial part of the Earth's…
ISEF · 2017
Biomedical Engineering
Color blindness, a medical condition that affects approximately 200 million people globally, is characterized by the impaired ability to distinguish certain colors in the human color spectru…
ISEF · 2016
Biomedical Engineering
Plantago major, commonly known as ribwort plantain is very popular used as a natural home remedies for stomach aches or skin infections. The purpose of this experiment was to prove if it rea…
ISEF · 2016
The microbiological and physical analysis of water quality in the coastal zones of Puerto Rico will show a greater amount of pathogenic microorganisms during rainy weather. Fourteen coastal…
ISEF · 2016
Some natural processes, such as droughts, deprive people from having the appropriate amount of water, which can lead to dehydration, diseases or infections. “Drought is an insidious natural…
ISEF · 2016
In this mathematical investigation, the characteristics and behavior of the torus was studied when differentiation and integration are applied. The purpose was to achieve a better understand…
ISEF · 2016
Fractals are a group of figures that cannot be described by the Euclidian geometry but by their own methods because of the rare geometry of their never ending pattern. Fractals can be found…
ISEF · 2016
The purpose of this investigation is to utilize kinetic energy to generate electrical power. The investigation evaluated if it would be possible for the kinetic energy generated when exercis…
ISEF · 2016
It is important to seek alternatives to eliminate airborne accidents caused by difficulties mostly in the landing of an aircraft. This problem can be eliminated by creating auxiliary maglev…
ISEF · 2016
The search for clean, abundant, cost-effective compounds, have led to experiment with green vegetative material to produce electric energy. The hypothesis established that voltage data obtai…
ISEF · 2016
This project is important due to its nature of global impact since it presents an alternative do reduce contamination worldwide. The problem question in this study is, are the peelings of Mu…
ISEF · 2016
The objective of this project was the design, construction, testing and evaluation of a mechanism to harvest pressure energy from automotive traffic and using it to generate electricity. The…
ISEF · 2016
The objective of this research is to design and construct a street self-sustainable light post, using a Savonius Wind Turbine, which will allow the transformation of mechanical energy into e…
ISEF · 2016
This investigation intends to deduce efficient ways to be able to simulate a biological process, specifically the radioactive decay chain, with the use of computers and programming languages…
ISEF · 2016
This investigation was done in order to meet the special needs of people with mobility impediments. The hypothesis is that it is possible to create a robotic chair capable to mimic horizonta…
ISEF · 2016
The prevalence of Diabetes Mellitus Type 2 is very high in Latin Americans; it is one of the diseases that triggers a major number of deaths annually. This population has a 25% higher risk o…
ISEF · 2016
The world faces pollution in many of its resources, most commonly in water, ground, and air. Water pollution is a form of biodegradation when pollutants are discharged into water bodies. One…
ISEF · 2016
The purpose of this investigation is to demonstrate that Brachiaria humidicola, a pasture that grows in cattle farms, provides great benefits both to the environment and agriculture. The pro…