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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.

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CSEF · 2002

Which Lettuce is Clean, Cleaner, Cleanest II

Environmental Science (Junior Division Only)

Objectives/Goals I predict that lettuce grown hydroponically using recycled soapy water will grow taller, greener, and have fewer surface bacteria; than lettuce gronw hydroponically using ei…

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