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Unit 1 Topic 3 Vocab

Water Vocabulary

TermDefinition
Polar Molecule A compound with one positively charged side and one negatively charged side.
Hydrogen Bond The side with the hydrogen atoms ( + Charge) attracts the oxygen side ( - Charge) of a different water molecule.
Cohesion The occurrence of water molecules sticking to other water molecules via hydrogen bonds.
Surface Tension Water has a thin "skin" due to the water molecules sticking together
Adhesion When water molecules stick to other materials
Capillary Action When Cohesion and Adhesion work together to allow water to travel against gravity and move up a plant stem.
Specific Heat Capacity The amount of heat required to change the temperature of a unit of mass of a given substance by a unit amount.
Expansion upon Freezing When water decreases in temperature, the molecules move away from each other. This causes an increase in volume.
Universal Solvent Water is called a universal solvent because it dissolves more substances than any other liquid.
Created by: user-2051141
 

 



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