| A | B |
|---|
| hydrosphere | The part of Earth that contains water |
| latitude | the location north or south of the Equator |
| longitude | the location east or west of the Prime Meridian |
| elevation | the height of a place above sea level |
| crust | Earth's solid rocky surface |
| mantle | the layer of Earth beneath the crust |
| lithosphere | the crust and the rigid part of Earth's mantle |
| core | the central part of Earth |
| solid, liquid, water vapor | Earth's water can be found as a ___________ in ice, as __________ in oceans, and as ______________ in the atmosphere |
| salt | The two basic forms of Earth's water are fresh water and ___________ water |
| salt water | More than 95 percent of Earth's water is _________________ |
| salinity | The term used to describe how much salt is dissolved in water |
| glaciers | large shhets of ice that slowly move |
| landforms | Hills, mountains, deserts, etc are all examples of ___________________ |
| plains and basins | Low regions of the U.S. |
| plateaus and mountains | High regions of the U.S. |
| relief map | A type of map that shows regions of different heights as different colors. |
| Continental Divide | a mountain ridge running from Mexico to Canada where rivers west of it flow to the Pacific Ocean and rivers east of it flow to the Atlantic Ocean |
| topographic map | A map that shows elevation using contour lines |
| Contour Lines | ________ connect places on a map that have the same elevation |
| elevation | a term used by geographers and scientists in reference to places on Earth |
| altitude | a term used by geographers and scientists for elevation in the air, as for clouds or airplanes, or for locations in space |
| atmosphere | the layer of gases that surrounds Earth |
| outer core | the molten or fluid part of the core |
| inner core | the solid part of the core |
