The Colby College Community Web — A Colby Community …

Density: Mass per unit volume, Objects with density lower than the liquid float (those with a higher density sink) MATERIALS: Hardboiled egg (1), large narrow necked glass bottle (ex: 1L Erlenmeyer flask, 1 needed), birthday candles (2), matches or lighter (1) 21-ounce soda bottles (1 per student), paper towels (~5 per class, small piece per ... ................
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