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Atmosphere
Question | Answer |
---|---|
Fluff, white clouds, usually with fat bottoms, that look like rounded piles of cotton | Cumulus |
Clouds that form in flat layers and often cover much of the sky | Stratus |
A huge body of air that has similar temperature, humidity, and air pressure throughout | Air Mass |
The boundary where unlike air masses meet but do not mix | Front |
A swirling center of lower air pressure | Cyclone |
A line on a weather map that joins places that have the same pressure | Isobars |
A line on a weather map that joins places that have the same temperatures | Isotherms |
A small storm often accompanied by heavy precipitation and frequent thunder and lightning | Thunderstorm |
A tropical storm that forms over the warm ocean water | Hurricane |
A rapidly whirly, funnel-shaped cloud that forms over the land | Tornadoes |
The condition of Earth's atmosphere at a particular time and place | Weather |
The layer of gases that surrounds Earth | Atmosphere |
Water in the form of gas | Water vapor |
The natural movement of air in the form of a current | Wind |
What is the main gas found in the atmosphere? | Nitrogen |
The layer of the atmosphere where weather occurs | Troposphere |
The layer of the atmosphere where "good" ozone is found | Stratosphere |
The layer of the atmosphere where meteoroids burn up | Mesosphere |
The layer of the atmosphere where aurora's are found | Thermosphere |
The process by which water molecules change from a liquid to a gas | Evaporation |
Where most evaporation takes place | Ocean |
When water vapor changes back to a liquid to form a cloud | Condensation |
When water returns to the Earth | Precipitation |
The process used by plants to release extra water into the atmosphere | Transpiration |
Condensation is the change of gas to a ____________ | liquid |
A natural electrical discharge that can form between clouds or the ground | Lightning |
A quick moving ribbon of air that moves from west to east high in the atmosphere | Jet stream |
The layer of the atmosphere that is also called space | Exosphere |
The force exerted on a surface divided by the total area over which the force exerted | Pressure |
The pressure caused by the weight of a column of air pushing down on an area | Air pressure |
An instrument used to measure changes in the air pressure | Barometer |
Harmful substances in the air, water or soil | Pollutants |
Rain that contains more acid than normal | Acid rain |
The contamination of Earth's land, water or air | Pollution |
A measure of how hot or cold an object is compared to a reference point | Temperature |
An instrument used to measure temperature | Thermometer |
The transfer of thermal energy from one object to another because of a difference in temperature | Heat |
The direct transfer of thermal energy from one substance to another substance that it is touching | Conduction |
The transfer of thermal energy by the movement of a fluid | Convection |
Upward movement of warm air and the downward movement of cold air | Convection curren |
An instrument used to measure wind speed | Anemometer |
Winds that blow over short distsnces | Local winds |
The flow of cooler air from over an ocean or lake toward land | Sea breeze |
The flow of air from land to a body of water | Land breeze |
Winds that blow steadily from specific directions over long distances | Global winds |
The change that Earth's rotation causes in the motion of objects and that explains how winds curve | Coriolis effect |
Continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation | Water cycle |
The amount of water vapor in a given volume of air | Humidity |
The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature | Relative humidity |
An instrument used to measure relative humidity | Psychrometer |
The temperature at which condensation begins | Dew point |
Wispy, feathery clouds made mostly of ice crystals that form at high levels | Cirrus |