| A | B |
|---|
| Map | A flat drawing of the earth |
| Globe | A spherical or round model of the earth |
| Meridian | Imaginary Line that runs from North and South poles |
| Longitude | The measure of the distance from east to west of the prime meridian |
| Parallels | Imaginary lines that run from east to west |
| Latitude | The meqsure of the distance from north to south on the globe |
| Prime Meridian | 0 degrees longitude |
| Equator | 0 Degrees latitude |
| Topographic map | a map that shows the different shapes and sizes of a land surface |
| Contour line | a line that passes through all points on a map that have the same elevation |
| Depression | Distance of a point on earth below seal level |
| Elevation | Distance of a point on earth above sea level |
| Sea Level | the average level of water in the oceans |
| Lithosphere | the solid topmost part of the earth |
| Igneous Rock | Form when hot liquid rock from deep within the earth cools and hardens as it reaches the surface |
| Sedimentary rock | Form when sediments -small pieces of rock, sand, and other materials- are pressed together by weight of layers that build up over time |
| Metamorphic Rock | Form when igneous and sedimentary rocks are changed by heat and pressure |
| Direct Observation | Observations made where you can see or feel the objects |
| Bedrock | Igneous and metamorphic rock that form a solid layer of the earths crust |
| Sial | AKA continental crust |
| Sima | AKA Oceanic Crust |
| Plate Tectonics Theory | explains ho wthe continents drifted and the orgins of volcanoes, earthquakes, and mountains |
| Asthenosphere | The hot fluid portion of the mantle that the lithosphere sits on |
| Continental Drift Theory | A theory that proposes that the was originally only one large lans mass called Pangaea |
| Pangaea | Was the earths only continent 800 million years ago |
| Gondwanaland | The southern part of pangaea |
| Laurasia | The northern part of pangaea |
| Faulting | The most comon cause of earthquakes |
| P-Wave | Primary Wave |
| S-Wave | Secondary Wave |
| L-Wave | Surfave Wave |
| Seismograph | Instrument used to measure seismic waves |
| Richter scale | The scale use dto determine the magnitude of an earthquake |
| Plate Boundaries | The places where plates meet |
| Spreading Zone | Plates spread away from eachother |
| Fracture/Fault Zone | Plates slide past each other |
| Converging Zone | Plates come together |
