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.

20037 projects · showing 2311–2340

ISEF · 2025

Acid Assisted Demolition

Chemistry

In our project, we examined the use of acids in the building demolition industry. Many structures from the mid 20th century are nearing the end of their lifespan for safe and effective use.…

CYSF · 2025

Acid-Based Lava Lamp

Our Science fair project is about Acid-Based Lava lamp. We had two questions about the acid-base lava lamp. The first one was related to how it works and the second one was about changing it…

ISEF · 2025

Acoustic Focusing With Gases

Physics and Astronomy

Sound waves are all around us, but we never think about how they can be controlled or focused like light can be. My project explores if sound waves can be bent or concentrated using gases wi…

ISEF · 2025

Active Shooter Security System

Embedded Systems

In the United States, 1,346 active shooter incidents were reported since 2013, resulting in 442 deaths and 953 injured (Everytown 2024). Active shooter is defined as an individual actively e…

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