Search past science fair projects

20,037 real projects from ISEF, the Canada-Wide Science Fair, JSHS and the Calgary Youth Science Fair — searchable by meaning, and filterable by fair, year, category and award.

2128 projects · showing 331–360 2025 — clear year filter Clear all

CYSF · 2025

Bye Bye Bacteria

Swab 3 different surfaces in the kitchen for germs then see how many germs each surface has.Take Lysol, water vinegar Myers and spray one section of that surffices for each cleaning material…

CYSF · 2025

Bye-Bye Blooms!

This project optimizes a floating wetland system to sequester agrochemicals in order to improve the quality of water and prevent eutrophication.

CYSF · 2025

Caffeine & Plants

The hypothesis predicted that caffeine would slow down growth due to potential nutrient absorption issues. However, results showed that the caffeinated plant grew larger and produced more le…

CYSF · 2025

Can AI Replace Fruit Stickers?

Our experiment is to test whether Aritificial Intelligence can identify fruit types and varieties with different variables for a more realistic feel. We also made our set-up to look like a c…

CYSF · 2025

Cancer Meet Your Frequency

My project talks about a new and exciting way to treat cancer; QIRT a treatment that detects the different vibrations of cancer cells to eradicate them while also boosting the immune systems…

ISEF · 2025

Cancer Testing: Disco Diagnosis

Translational Medical Science

This project exemplifies the integration of regular Cancer testing panels via a comparison of detection in various tactics. My primary question is how the medical industry can identify pancr…

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