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Relative density

physical science Maturity 5-7

Some things float in water. Some things sink.

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Hydro.PNG
We can use water to test this. An ice cube floats on top. A heavy rock will sink down. This helps us learn about things. Do you like to play in water?

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File:US Navy 111005-N-ZN781-031 Aviation Boatswain's Mate (Fuel) 3rd Class Rolando Calilung tests for a specific gravity test on JP-5 fuel.jpg
US Navy 111005-N-ZN781-031 Aviation...
File:Hydro.PNG
Hydro.PNG
File:PycnometerEmpty.jpg
PycnometerEmpty.jpg
File:Pycnometer full.jpg
Pycnometer full.jpg
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📚 Content adapted from Wikipedia | Readability: FK 12.0 | Vital Level 5