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.

3401 projects · showing 61–90 Physics and Astronomy — clear category filter Clear all

CSEF · 2026

Early Fire Risk Detector

Electronics & Electromagnetics (Junior Division)

Wildfires are more likely under conditions of high temperature, low humidity, and dry soil. After a planter box at my home auto-combusted during extreme heat, I designed and built an early f…

CSEF · 2026

Fridge Firefly

Electronics & Electromagnetics (Junior Division) Honorable_mention Award

Household food waste creates a major economic and environmental burden, with typical U.S. families discarding 15–25% of purchased food (about $3,000 annually) and food waste contributing rou…

CSEF · 2026

Hockey Composite Stick Flex and Accuracy/Speed

Physics & Astronomy (Junior Division)

The purpose of this experiment was to determine which hockey stick flex is most effective for improving shooting accuracy and speed in junior high hockey players. This investigation was cond…

CSEF · 2026

How Many Magnets to Stop a Maglev?

Electronics & Electromagnetics (Junior Division)

As trains advance more and more every day safety becomes the highest priority in maglev train engineers designs. The objective of this experiment is to stop a maglev train short of the safet…

CSEF · 2026

How Pollution Affects Sound Clarity Underwater

Physics & Astronomy (Junior Division)

Water pollution can affect several aspects of aquatic environments, underwater location systems, and further scientific study. The purpose of my experiment was to determine whether different…

CSEF · 2026

Impact Localization Using Vibration Sensors

Electronics & Electromagnetics (Junior Division)

This project attempts to design a method for detecting an impact and estimate its location on an irregular surface, using non-intrusive sensors and offline processing. Motivated by a need fo…

CSEF · 2026

Into the Quantum Verse

Physics & Astronomy (Senior Division)

Problem/Objective: Conventional silicon solar cells inefficiently utilize ultraviolet (UV) light, with excess photon energy typically lost as heat rather than converted into electrical outpu…

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