| A | B |
|---|
| atmosphere | a think layer of air that forms a protective covering around the planet |
| troposphere | where we live, rain, snow, clouds occur in this lowest of the atmospheric layers. it contains 99% of the water vapor, and 75% of the atmospheric gases |
| ionosphere | a layer of electrically charged particles in the mesophere and thermosphere. allows radio waves to travel across the country |
| ozone layer | within the stratosphere and made of oxygen, shields you from the sun's harmful energy |
| ultriviolet radiation | harmful energy from the sun that can damage your skin and cause cancer |
| chlorofluorocarbons | CFC's--chemical compound used in some refrigerators, air conditioners and aerosal spray cans, they can destroy the ozone layer |
| radiation | energy that is transferrred in the form of rays or waves. |
| conduction | the transfer of energy that occurs when molecules bump into each other...if you walk barefoot on a hot beach your feet heat up because of this |
| convection | the transfer of heat by the flow of material...circulates heat throughout the atmosphere |
| hydrosphere | all the waters of the earth |
| condensation | the process of water vapor changing to a liquid |
| Coriolis effect | moving air and water appear to turn to the right north of the equator and to the left south of the equator because of the rotation of the earth and this effect |
| jet streams | narrow belts of strong winds that blow near the top of teh troposphere |
| sea breeze | convection currents over areas where the land meets the sea can cause this wind |
| land breeze | movement of air toward water from the land |
