Water, Waves, and Tides. Chapter 4. Nature of Water. Physical properties of water – water is an excellent solvent Structure of a water molecule A water molecule contains two atoms of _________and one atom of ________
Water, Waves, and Tides
Salt ions interfere with the formation of hydrogen bonds, so seawater does not have a fixed freezing point.
Water density changes with temperature and salinity.
Oil does not dissolve in water
Coastal upwelling occurs where surface waters away from the coast; surface waters are replaced by water that wells up from below.
Where surface waters move toward the coast, the water piles up and sinks in the process known as coastal downwelling.
After one hour
Tsunami began with a 9.2 earthquake
Neap tides occur when the moon and sun are at right angles