GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Test tube containing liquids of varying density. The more dense the liquid, the further down it sinks. From top to bottom, (i.e., least dense to most dense) the liquids are: blue-colored rubbing alcohol (isopropanol), Canola oil, pink-colored fresh water, dish soap, milk, maple syrup, corn syrup, and honey.
Model release not required. Property release not required.