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.

17565 projects · showing 1921–1950 ISEF — clear fair filter Clear all

ISEF · 2025

From Crude to Extrude: A Novel Approach to Combining Pultrusion and Extrusion Technologies Into a Single Filament Production System to Recycle PET Bottle Waste and 3D Printing Purge Materials Into Additive Manufacturing Filament

Engineering Technology: Statics & Dynamics

With the increased use of 3D printers, there exists a need to recycle filament purge and failed prints. Traditionally, filament is produced via shredded material fed through an extrusion mac…

ISEF · 2025

GACPETE-ECO

Environmental Engineering

The objective of this research was to mitigate environmental pollution from plastic bottles and aluminum cans using an autonomous robot: Gatherer of Aluminum Cans and Polyethylene Terephthal…

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