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Science Vocab. #1

Science vocab. 9/12/11

Tornado A fast-spinning spiral of wind that touches the ground
Snow Precipitation caused when water vapor turns directly into ice and forms ice crystals
Cold front The boundary where a cold air mass moves under a warm air mass
Sleet Precipitation caused when rain falls through freezing air and turns to ice
Warm front The boundary where a warm air mass moves over a cold air mass
Hail Round pieces of ice formed when the frozen rain is coated with water and refreezes
Rain shadow The area on the side of a mountain range with less rain and cloud cover
Anemometer A weather instrument that measures wind speed
Barometer A weather instrument used to measure air pressure
Hurricane A large tropical storm that has winds of at least 74 miles per hour
Evaporation The process by which a liquid changes into a gas
Water cycle The movement of water from the surface of Earth into the air and back again
Precipitation When water falls to Earth
Sea breeze A breeze that moves from the sea to the land
Land breeze A breeze that moves from the land to the sea
Rain Precipitation that is liquid water
Condensation The process by which a gas changes into a liquid
Created by: 1345751175