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Unit 4: W&A
Water and Air
Term | Definition |
---|---|
Aquifer | An underground layer of permeable rock that contains water |
Atmosphere | The outer layer of gases of a large body in space |
Biosphere | All living organisms on Earth, in the air, land, and water |
Cryosphere | The frozen layer of Earth's surface |
Condensation | Process of water vapor cooling and changing into liquid water |
Conduction | The transfer of heat energy from one substance to another through direct contact (two objects touching) |
Convection | The transfer of energy from place to place by the motion of heated gas or liquid in Earth's mantle |
Downwelling and Upwelling | When water moves to different levels of depth due to surface currents |
Evaporation | Process by which liquid turns to gas |
Global wind | Wind belt that circles the Earth |
Ground water | The water beneath the surface of the ground (consisting mainly of surface water that has seeped down) |
Hydrosphere | The water on or surrounding Earth's surface (includes the water of the oceans and in the atmosphere) |
Impermeable | Water can't pass through the substance |
Lithosphere | The crust and upper mantle of Earth |
Ocean current | A mass of moving ocean water |
Permeability | The ability of water to pass through porous rock or sediment |
Pollution | The presence of a harmful or poisonous substance in the environment |
Precipitation | Process by which water, in any form, falls from the atmosphere to Earth's surface |
Radiation | Energy that travels across distances as certain types of waves |
Runoff | Process of water flowing over the surface of the ground |
Surface water | Water that collects on the surface of the ground |
Transpiration | Process of water evaporating through the leaves of plants |
Watershed | The area of land where all of the water that is under it or drains off of it goes (collects in the same place) |
Water table | Underground surface of soil or rock that is saturated with water |