| A | B |
|---|
| rotation | when the earth turns |
| aquifer | underground stream or pond |
| crust | surface of the earth |
| revolution | going around the sun |
| plate techtonics | how crust moves |
| ozone layer | filters out ultraviolet rays |
| sea level | when the earth turns |
| equinox | when the sun is over the equator |
| mantle | between the crust and core |
| ground water | extra rain or snow soked into the ground |
| landform | shapes on the earth's surface |
| outer space | bondless area around the earth |
| planetary wind | winds that effect the entire planet |
| wind | air blowing |
| weathering | changes rocks |
