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United States of America

11705 projects whose affiliated fair was here, most recently in 2026.

States and provinces

ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.

Projects

11705 projects · showing 5491–5520

ISEF · 2021

Water Energy Usage

Earth and Environmental Sciences

The difficulty in finding the perfect shower temperature could be due to the height of the individual taking the shower and the temperature of the bathroom atmosphere. The purpose of this ex…

ISEF · 2021

Water Filtration Systems: Re-engineered

Environmental Engineering

In this experiment, we will be conducting an examination based on adding distillation to our preceding systems of water filtration. In doing this, we will be allowed to examine which method…

ISEF · 2021

What an Egg-Cellent Diet!

Animal Sciences

When starting a new flock of Gallus gallus domesticus, the common chicken, one may research what type of nutrients are needed in their diet to produce the top number of eggs possible; but wh…

ISEF · 2021

Which Cloth Is More Effective as a Mask?

Biomedical and Health Sciences

The purpose of my experiment is to find out which fabric used for masks is most useful in protecting against pathogens. The transmission of pathogens across a fabric was evaluated by measuri…

ISEF · 2021

Which Is the Best Spotted Lanternfly Trap?

Earth and Environmental Sciences

Since entering the United States in 2014, the Spotted Lanternfly has proven to be a significant threat to plant life and the agricultural economy of its infested regions. As the flies expand…

ISEF · 2021

You're Hot Then You're Cold

Engineering Mechanics

The purpose of this project is to provide an innovative solution to the use of thermochromic paint in all facets of everyday life, but specifically roofing. With this use of thermochromic po…

ISEF · 2020

3D Printing Scaffold for Bone Regeneration

Materials Science

Finding biocompatible, biodegradable, and osteoconductive substitutions for large bone defects have long challenged clinicians, especially those operating on soldiers with battlefield injuri…

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