Search past science fair projects

38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.

180 projects · showing 121–150 2026 — clear year filter Environmental Engineering — clear category filter Clear all

CSEF · 2026

PotBot- Your Personalized Watering Assistant

Environmental Engineering (Track 2) (Junior Division) Honorable_mention Award

For my project, I am creating a moisture detection device that I decided to name PotBot, that lets you know when your plant needs to be watered! Every year, 35% to 50% of houseplants die fro…

CSEF · 2026

Saving Homes from Water

Environmental Engineering (Junior Division)

Hi, my name is Rhian Welling-Farmer. I decided to do my science fair on saving homes from natural disasters involving water, like floods. I chose this idea because I was inspired by a docume…

CSEF · 2026

Soil Saver 3000: The Future of Composting

Environmental Engineering (Track 2) (Junior Division) Honorable_mention Award

Abstract Objective Food waste decomposing in landfills is a major contributor to global warming because it releases harmful greenhouse gases, especially methane. Composting offers a sustaina…

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