Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
weather
|
the short-term state of the atmosphere, including temperature, humidity, precipitation, wind, and visibilty
|
|
|
humidity
|
the amount of water vapor in the air
|
|
|
relative humidity
|
the ratio of the amount of water vapor in the air tothe maximum amount of water vapor the air can hold at a set temperature
|
|
|
condensation
|
the change of state from a gas to a liguid
|
|
|
cloud
|
a collection of small water droplets or ice crystals suspended in the air, which form when the air is cooled and condensated occurs
|
|
|
precipitation
|
any form of water that falls to the Earth's surface from the clouds
|
|
|
dew point
|
the temperature at which a gas condeses into a liquid
|
|
|
air mass
|
a large body of air where temperature and moisture content are constant throughout
|
|
|
front
|
the boundary between air masses of different densities and usually different temperatures
|
|
|
cyclone
|
an area in the atmosphere that has lower pressure than the surrounding areas and has winds that spiral toward the center
|
|
|
anticyclone
|
the rotation of air around a high-pressure center in the direction opposite to Earth's rotation
|
|
|
cold front
|
forms where cold air moves under warm air, which is less dense, and pushes the warm air up
|
|
|
warm front
|
forms where warm air moves over cold, senser air
|
|
|
occluded front
|
forms when a warm air mass is caught between two colder air masses
|
|
|
stationary front
|
forms when a cold front meets a warm air mass
|
|
|
thunderstorm
|
a usually brief, heavy strom the consists of rain, strong winds, lighting, and thunder
|
|
|
lighting
|
an electric discharge that takes place between two oppositely charged sufaces, such as between a cloud and the ground, between two parts of the same cloud
|
|
|
thunder
|
the sound caused by the rapid expansion of air along an electrical stike
|
|
|
tornado
|
a destructive, rotating column of air that has very high wind speeds, is visibleas a funne-shaped cloud, and touches the ground
|
|
|
hurricane
|
a severe storm that develops over tropical oceans and whose strong winds of more than 120km/h spiral in toward the intensely low-presser storn center
|
|
|
thermometer
|
an instrument that measures and indicates temperature
|
