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Module 4 Vocabulary

The Wonder of Water

QuestionAnswer
Electrolysis The use of electricity to break a molecule down into smaller units
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 and magnesium ions
Surface tension The effect of cohesion on the surface of a liquid
Created by: mrpicard on 2008-10-09



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