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Floating Eggs:
Analyzing Mass, Volume, & Density

This lab has students float a raw egg in water to see how mass, volume, and density affect one another.

All matter has a specific physical property called density. The density of a substance is defined as the amount of matter (mass) contained in a given space (volume).

For example, if a substance’s mass is 10g and its volume is 2mL, then you would divide 10g by 2mL to get a density of 5g/mL.

The density of a specific substance does NOT change. For instance, water will always have a density of 1g/mL, no matter if you have 0.5 grams of it or 5,000 grams of it. Other substances will float in water if their density is less than 1g/mL, and will sink if their density is greater than 1g/mL.

In this lab, you will manipulate the density of water great enough to make an egg.


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Student Handout