| A | B |
|---|
| geography | the study of earth's surface |
| absolute location | aposition where a place can be found |
| equator | imaginary line, circles the globe, divides the earth into 2 |
| hemisphere | half of the earth; equator divides it |
| latitude | also called parallels; circle the earth parallel to the equator |
| longitude | called meridians; it run north and south from one pole to the other |
| prime meridian | line of longitude; runs from north to south pole through Greenwich, England |
| relative location | position of a place in relation to another place |
| formal region | places with similar attributes; (political regions) |
| functional region | places connected by movement (railroads) |
| core | the earth's center, has hot metalthat dense and solid in the inner core; liquid in the outer core |
| mantle | thick mostly solid rock beneath earth's crust and surrounds earth's core |
| crust | solid rocky surface layer of the earth |
| continent | any large landmass of the earth |
| relief | the differences in elevation or weight of the landform |
| lava | magma or molten rock ;breaks throug during volcanic activity |
| fold | a bend in earth's crust |
| fault | fracture in earth's crust |
| plate tetonics | a theory; earth's outer shell is made of large unanchored plates that explains earthquakes and volcanic activity |
| continental drift theory | continents shift positions because on movement of the techtonic plates |
| ring of fire | volcanic mountain around the rim of the Pacific Ocean |
| weathering | the chemical process of breaking down rocks until it becomes soil |
| mechanical weathering | breaking rock by forces of ice and roots |
| chemical weathering | water and carbondioxide changes the chemical structure of rock |
| acid rain | rain with lots of chemicals; pollutes water, kills plants, and wildlife |
| erosion | movement of weathered materials - soil, sand and gravel |
| sediment | small particles of soil, sand, gravel; deposited by water |
| loess | fine grained mineral rich dust deposited by wind |
| glacier | huge slow moving ice and snow |
| geology | study of earth's structure and history |
