Adhesion - the attraction between water and another substance, Cohesion - the attraction between water particles:, Polar - property of water due to its positive and negative ends, surface tension - the tightness across the surface of water caused by polar water molecules sticking to themselves instead of the air, universal solvent - name given to water because it can dissolve almost anything because of its polarity, Density - how many atoms / molecules are packed into a space, Erosion - movement of pieces of weathered rock material from processes like wind, water, gravity, and ice movement, Physical weathering - breaking down of rocks (without changing their composition) due to animal actions, plant roots, running water, heat, or wind, Chemical weathering - Breaking down rocks through processes that create new substances. Example is acid rain, Condensation - phase change from a gas to a liquid due to thermal energy being removed, Evaporation - phase change from a liquid to a gas due to thermal energy being added, Gas - state of matter in which atoms are very far apart and moving with a lot of energy, Liquid - state of matter in which atoms have some space and they are moving around, Phase - the state of matter at a certain temperature, Precipitation - rain, snow, sleet, or hail that falls to Earth, Solid - state of matter in which atoms are packed very close together and barely move, Thermal energy - heat energy that causes states of matter to change from one phase to another, transpiration - evaporation of water from the leaves of plants,

Unit 2: Properties of Water

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