Chapter 17 Terms

Chapter 17 Terms - Adam Samaan Chapter 17 Terms Atmosphere thin layer of gases that surrounds our Earth Troposphere blankets the Earths surface and

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Adam Samaan Chapter 17 Terms Atmosphere- thin layer of gases that surrounds our Earth Troposphere- blankets the Earth’s surface and provides organisms the air they need to live; the bottom most layer Stratosphere- much drier and less dense, but similar to the troposphere Ozone layer- greatly reduces the amount of UV radiation that reaches Earth’s surface Atmospheric pressure- the force per unit area produced by a column of air Relative humidity- the ratio of water vapor a given volume of air it contains to the maximum amount it could contain at a given temperature Convective circulation- less dense warm air that rises and creates vertical currents Weather- atmospheric conditions over short time periods Climate- pattern of atmospheric conditions found across large geographic regions over long periods of time Warm front- mass of warmer, moister air replaces a mass colder, drier air Cold front- the boundary along which a colder drier air mass displaces a warmer moister air mass High-pressure system- air that moves outward away from the center of high pressures as
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 10/26/2011 for the course UW 34 at GWU.

Page1 / 2

Chapter 17 Terms - Adam Samaan Chapter 17 Terms Atmosphere thin layer of gases that surrounds our Earth Troposphere blankets the Earths surface and

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online