Projects in this engineering category are judged based on the creation of a model or prototype. Projects focused on a research experiment may be better suited for a different category.

The application of scientific and mathematical principles to practical ends such as the design, manufacture, and operation of efficient and economical machines and systems.

Projects that aim to improve human health and longevity by translating novel discoveries in the biomedical sciences into effective activities and tools for clinical and public health use.

Studies that engineer or develop processes and infrastructure to solve environmental problems in the supply of water, the disposal of waste, or the control of pollution.

This category corresponds to these ISEF categories: ETSD ENEV ENBM

STEM Fair Categories

Animal Sciences

Behavioral and Social Sciences

Biology: Cellular, Molecular, Micro

Biomedical and Health Science

Chemistry and Biochemistry

Computational Biology and Bioinformatics

Earth and Environmental Science

Engineering: Electrical, Computer, Software

Engineering: Mechanical, Biomedical, Environmental

Materials and Energy Sciences

Physics, Astronomy, and Mathematics

Plant Sciences

Technology Enhances the Arts