| A | B |
|---|
| weather | the condition of the bottom layer of the earth's atmosphere in a place over a short period of time |
| green house effect | effect of the atmospgere keeping in heat from the sun |
| revolution | one complete orbit around the sun |
| tropic of cancer | 0 degrees longitude ( 0) divides the earth into east and west. Imaginary line that goes through Greenwich, England. |
| tropic of capircorn | 0 degrees latitude (0) divides the earth into north and south. |
| spring/fall equinox | the markers for a seasonal change |
| precipitation | all forms of water that fall to the earth from the atmosphere |
| orographic precipitation | when warm,mouist air is forced upward when passing high landforms , causing precipitation |
| evaporation | to change a liquid into vapor |
| atmosphere | a multilayered band of gases, water vapor and dust above the earth. |
| rotation | the spinning motion of the earth |
| length of a year | 12 months, 365 days and 1\4 |
| climate | term used for the weather patterns that an area or region typically experiences over a long period of time |
| axis | invisible line through the center of the earh from each pole |
| leap year | occurs on feb 29th |
| fronts | the boundary between two masses of air that differ in density and temperature |
| 3 influences on climate | temperature precipitation and weather |
| water cycle | the continuous cycle of water |
| convectional precipitation | occurs when hot,humid air rises from the earth's surface and cools, loosing the power to hold water. |
| frontal precipitation | occurs when 2 different fronts with different temperatures meet, the warm air is pushed up9by the col air0 and then cools. |
