Evaporation happens when water molecules move fast enough to break away from a solution and move into the air ... Tell students that each salt crystal is made up of two different types of particles ...
The positive areas of the water molecules surround the negative Chloride ions. The negative areas of the water molecules surround the positive sodium ions. As the attractions from the water molecules ...
A student has developed a novel brine desalination method capable of converting over 90 percent of salt water into fresh ...