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Science Vocab. #1
Science vocab. 9/12/11
Question | Answer |
---|---|
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 |