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Unit 1 Topic 3 Vocab

Water

TermDefinition
Adhesion Water molecules sticking to other materials.
Cohesion Water sticking to other water molecules via hydrogen bonds. (Water sticking to more water)
Polar Molecule A compound with one negatively charged side and one positively charged side.
Hydrogen Bond The side with the hydrogen (positive charge) atoms that attracts the oxygen (negative charge) side of a different water molecule.
Surface Tension A thin "skin" created by water molecules sticking together and prevents it from spreading out into a thin film, rather clumping together in droplets.
Capillary Action Cohesion and Adhesion working together to be able to travel against gravity and to be able to move up a plant stem.
Specific Heat Capacity The amount of heat required to change the temperature of a unit mass of a given substance by a unit amount (usually a degree).
Expansion Upon Freezing Water molecules moving away from each other when freezing, causing an increase in volume and a decrease in density.
Universal Solvent Water. Has this title because it can dissolve more substances than any other liquid
Created by: user-2051852
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