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.

1859 projects · showing 1111–1140 Environmental Engineering — clear category filter Clear all

CSEF · 2017

Potable Seawater?

Environmental Engineering

Objectives/Goals I wanted to learn which way was most efficient to desalinize seawater and find a usage for the remaining salt. Methods/Materials Materials: seawater, heater source, TDS mete…

ISEF · 2017

RecycloTrash: Barcodes v. CV

Environmental Engineering

In the RecycloTrash project, a trash can which sorts between recyclable and unrecyclable items that are thrown into it was designed and built. After the trash can was designed using the Auto…

ISEF · 2017

Signal Buoy

Environmental Engineering

The signal buoy is an electric device for fishers, who use a fishing net. With a signal buoy it is very easy for fishers to locate the fishing nets. Without the buoy the fishing net may get…

CSEF · 2017

The Best Method of Desalination

Environmental Engineering

Objectives/Goals Which of the three methods of desalination- forward osmosis, freezing/cryo desalination, or thermal distillation, is the most effective and efficient method of desalination?…

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