← All regions

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 4471–4500

ISEF · 2022

The Resistance of Bacteria

Microbiology

Disinfectant has been a prominent tool to clean surfaces, and now more than ever it is important for it to be used effectively. The purpose of the experiment was to see if the dilution of a…

ISEF · 2022

The Serial Position Effect and Recency Effect

Behavioral and Social Sciences

The aim is to conduct a simple experiment to investigate the effect of semantic questions on working memory recognition, and to test the relevance of recency effect, last five words, given i…

ISEF · 2022

The Study of Biomimicry in Architecture

Plant Sciences

It is said that the triangle is one of architecture’s strongest shapes, but what about in nature? What shape found in plant xylems is the strongest? Each plant xylem has a unique shape. For…

ISEF · 2022

The Surveillance of SARS-CoV-2 in Wastewaters

Earth and Environmental Sciences

The COVID-19 pandemic disease is caused by severe acute respiratory syndrome 2 (SARS-CoV-2). Sewage testing has been successfully used for the detection of viruses causing human diseases, su…

ISEF · 2022

The Wheelchair Project

Engineering Technology: Statics & Dynamics

PAWE converts manually controlled wheelchairs into electrically powered wheelchairs. PAWE attaches onto most standard manual wheelchairs by sliding onto rods. The rods are attached to the wh…

ISEF · 2022

To Apogee and Beyond: A Home-Grown Space Program

Engineering Technology: Statics & Dynamics Third Award

The high power model rocketry field has become very paint-by-numbers. Enthusiasts are encouraged to buy a kit, put it together, buy a motor, launch it and recover it by parachute to earn a c…

Save projects to your library

Sign in with Google to keep track of projects you find interesting, organized into folders. An account also raises your daily allowance for “Has this been done?”, and lets you create a key for the MCP server with a much higher limit than anonymous use. Browsing stays public.

Continue with Google