Electrolysis
Using electricity to break a molecule down into its constituent elements.
Polar Molecule
A molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared.
Solvent
A liquid substance capable of dissolving other substances.
Solute
A substance that is dissolved in a solvent
Cohesion
The phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension.
Hard Water
Water that has certain dissolved ions in it, predominately calcium ions.