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;
34 Cards in this Set
- Front
- Back
|
water cycle |
The movement of water through Earth's systems, powered by the sun. |
|
|
evaporation
|
A process by which molecules of liquid water escapes into the air after becoming water vapor. |
|
|
condensation
|
A process by which water vapor becomes liquid water
|
|
|
humidity
|
A measure of the amount of water vapor in the air
|
|
|
relative humidity
|
Is the percentage of water vapor that is air compared to the maximum amount of water vapor the air can hold at a particular temperature.
|
|
|
psychrometer
|
An instrument that can measure the relative humidity.
|
|
|
dew point
|
The temperature at which condensation begins.
|
|
|
cirrus
|
Wispy, feathery clouds.
|
|
|
cumulus
|
Clouds that look like cotton.
|
|
|
stratus
|
Clouds that form in flat layers.
|
|
|
precipitation
|
Is any form of water that falls from clouds and reaches Earth's surface.
|
|
|
rain gauge
|
An open-ended tube that collects rain.
|
|
|
flood
|
An overflowing of water in normally dry area.
|
|
|
drought
|
A long period of scare rainfall or dry weather.
|
|
|
air mass
|
A huge body of air in the lower atmosphere that has similar temperature, humidity, and air pressure at any given height.
|
|
|
tropical
|
A warm, air masses form in the tropics and have low air pressure.
|
|
|
polar
|
A cold, air masses form north of 50 degrees north latitude and south of 50 degrees south latitude.
|
|
|
maritime
|
Air masses that form over oceans.
|
|
|
continental
|
Air masses that form over land
|
|
|
jet steam
|
Are bands of high-speed winds about 10 kilometers above Earth's surface.
|
|
|
front
|
The boundary where the air masses meet.
|
|
|
occluded
|
The warn air masses is cut off, from the ground.
|
|
|
cyclone
|
A swirling center of low air pressure.
|
|
|
anticyclone
|
The opposite of a cyclone.
|
|
|
storm
|
Is a violent disturbance in the atmosphere.
|
|
|
thunderstorm
|
Is a small storm often accompanied by heavy precipitation and frequent thunder and lightning.
|
|
|
lightning
|
Is a sudden spark, or electrical discharge.
|
|
|
hurricane
|
Is a tropical cyclone with winds of 119 km/h or higher.
|
|
|
storm surge
|
A "dome" of water that sweeps across the coast where hurricane lands.
|
|
|
tornado
|
A rapidly whirling, funnel-shaped cloud that reaches down from a thunderstorm to touch Earth's surface.
|
|
|
evacuate
|
To move away temporarily.
|
|
|
meteorologist
|
Are scientists who study and try to predict the weather.
|
|
|
isobar
|
Are lines joining places on the map that have the same air pressure.
|
|
|
isotherm
|
Are lines joining places that have the same temperature.
|
