| A | B |
|---|
| axis | imaginary line through the center of the Earth that runs from pole to pole |
| rotation | the spinning of the Earth from West to East |
| 90 degrees South | Antarctica or the South Pole |
| parallels | another name for latitude lines |
| meridians | another name for longitude lines |
| prime meridian | zero degrees longitude |
| equator | zero degrees latitude |
| revolution | movement of one object in its orbit around another object in space |
| astronomy | study of planets, stars, and other objects in outer space |
| meteorology | study of Earth's air and weather |
| hemisphere | half of the Earth |
| latitude | measures distance north and south of the equator |
| longitude | measures distances east and west of the prime meridian |
| continents | seven land masses make up 30% of the Earth's surface |
| degrees | used to measure latitude and longitude |
