Examples
Substances with a specific gravity of 1 are neutrally buoyant, those with SG greater than one are denser than water, and so (ignoring surface tension effects) will sink in it, and those with an SG of less than one are less dense than water, and so will float.
Example:
| Material | Specific Gravity |
|---|---|
| Balsa wood | 0.2 |
| Ethanol | 0.78 |
| Aluminum | 2.7 |
| Lead | 11.35 |
| Mercury | 13.56 |
| Gold | 19.3 |
(Samples may vary, and these figures are approximate.)
Read more about this topic: Relative Density
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