| A | B |
|---|
| Lithosphere | earth's crust and upper mantle |
| tectonic plates | move to shape earth's surface |
| erosion | tears down earth's surface |
| hydrosphere | covers 70% of planet's surface |
| atmosphere | envelope of gasses around the earth |
| biosphere | refers to all life on earth |
| convection | spread of heat through fluid substance |
| continental plate | land plate |
| fault | break in earth's crust |
| seismograph | measure earthquake waves |
| weathering | wearing down of rocks by wind, water, and ice |
| deposition | particles that are deposited in a new area |
| mountains | formed by collision of tectonic plates |
| plateau | flat highland with steep sides |
| valleys | low ares between mountain ranges |
| canyon | deep gorge or ravine |
| Gulf Stream | carries warm water to Britain |
| weather | conditions of the atmosphere at a moment in time |
| climate | average weather conditions over time |
| biome | distinct geographic region |
