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 2101–2128 2025 — clear year filter Clear all

CYSF · 2025

Who Killed Banana?

Using gel electrophoresis to solve a hypothetical crime scene by analyzing the different molecules that make up fruit DNA and compare suspect and criminal “DNA” resulting in the conviction o…

CYSF · 2025

Why Does Bacteria Grow And Spread?

How does bacteria grow and spread in our everyday life? This experiment will help you think better and not touching everything you see, or washing your hands regularly before eating or doing…

CYSF · 2025

Why Do People Have Phobias?

In my project, I'm researching the differences between fear and a phobia and what happens in the brain and body when someone is experiencing fear or a phobia. Understanding why a phobia is c…

CYSF · 2025

Winged Wonders

Does the wing design affect the distance an paper airplane can travel? I will be testing 3 different types of paper airplanes with different wing designs i will test each paper airplane 2 ti…

ISEF · 2025

Year II, A Comprehensive Eco-Friendly Strategy for Citrus Greening Disease Management: Targeted Delivery of Novel Multi-Compound Formulation Derived From Murraya koenigii in Combination With Steam Therapy Approach and Its Validation Through Precision Agriculture Tools

Plant Sciences

Huanglongbing (HLB) or the Citrus Greening Disease (Candidatus Liberibacter asiaticus) is the most destructive citrus disease worldwide. Currently, no pesticide is registered to cure this di…

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