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;
25 Cards in this Set
- Front
- Back
|
air mass |
a large bubble of air that has about the same temp. and humidity throughout it |
|
|
air pressure |
the weight of air pushing on everything around it |
|
|
atmosphere |
the air that surrounds the Earth |
|
|
barometer |
a weather instrument that measures air pressure |
|
|
cirrus |
a high, feathery cloud made of ice crystals |
|
|
cumulus |
a puffy, white cloud with a flat bottom |
|
|
evaporation |
process of changing from a liquid to a gas |
|
|
fog |
a layered cloud that forms close to the ground |
|
|
hygrometer |
weather instrument that measures relative humudity |
|
|
humidity |
water vapor in the air |
|
|
precipitation |
water that falls to the Earths surface as rain, snow, sleet, or hail |
|
|
relative humidity |
the amount of water vapor that the air is holding compared with the amount that it could hold at that temperature |
|
|
stratus |
flat, grey, layered cloud that covers the sky |
|
|
transpiration |
the release of water vapor into the air from a plants leaves |
|
|
troposphere |
layer of air in the Earths atmosphere where weather takes place, just above Earths surface |
|
|
water cycle |
the change of water from one state to another as it moves between Earths surface and the atmosphere |
|
|
water vapor |
gas state of water |
|
|
weather |
the condition of the atmosphere at a place for a short period of time |
|
|
wind |
moving air |
|
|
wind vane |
weather instrument that shows the direction the wind is coming from |
|
|
condensation |
process of changing from a gas to a liquid |
|
|
ozone |
a gas high in the Earths atmosphere that blocks some of the harmful radiation from the sun |
|
|
nimbus |
rain cloud |
|
|
cold front |
leading edge of a moving mass of cooler air |
|
|
warm front |
leading edge of a moving mass of warmer air |
