Hank teaches us why water is one of the most fascinating and important substances in the universe. Follow SciShow on Twitter: www.twitter.com/scishow Like SciShow on Facebook: www.facebook.com/scishow Review: Re-watch = 00:00 Introduction = 00:42 Molecular structure & hydrogen bonds = 01:38 Cohesion & surface tension = 02:46 Adhesion = 03:31 Hydrophilic substances = 04:42 Hydrophobic substances = 05:14 Henry Cavendish = 05:49 Ice Density = 07:45 Heat Capacity = 09:10 Citations: www.extension.umn.edu/distribution/youthdevelopment/components/0328-02.html www.uni.edu/~iowawet/H2OProperties.html www.hometrainingtools.com/properties-water-science-teaching-tip/a/1274/ science.howstuffworks.com/environmental/earth/geophysics/h2o7.htm www.robinsonlibrary.com/science/chemistry/biography/cavendish.htm chemistry.mtu.edu/~pcharles/SCIHISTORY/HenryCavendish.html www.nndb.com/people/030/000083778/ www.notablebiographies.com/Ca-Ch/Cavendish-Henry.html TAGS: water, hydrogen, oxygen, molecule, covalent bond, cohesion, adhesion, polarity, hydrogen bond, surface tension, capillary action, hydrophilic, hydrophobic, ionic bond, ion, universal solvent, henry cavendish, chemistry, specific gravity, density, heat capacity, evaporation, biology, crashcourse, crash course, hank green Support CrashCourse on Subbable: subbable.com/crashcourse