| A | B |
| Geologist | A scientist who studies the forces that make and shape the planet |
| Rock | the material that forms the Earth's hard surface |
| geology | the study of the planet Earth |
| Constructive Force | type of force that builds up mountains and landmasses |
| Destructive Force | the forces that slowly wear away landforms |
| Crust | the outer thin layer of the Earth |
| Mantle | the layer of hot rock under the Earth's crust |
| Outer Core | the layer of molten metal that surrounds the inner solid part of the Earth |
| Inner Core | the dense ball of solid metal that makes up the inner most part of the Earth |
| Magnetic Field | The rotating of the Earth's core produces this |
| Radiation | the transfer of energy through electromagnetic waves |
| Conduction | the transfer of heat through direct contact |
| Convection | the transfer of heat through the movement of fluids |
| Continental Drift | the slow movement of the Earth's tectonic plates |
| Sea Floor Spreading | the process that continually adds new material to the ocean floor |
| Subduction | the process where the ocean floor sinks beneath a deep ocean trench |
| Plate Tectonics | the geological theory that states that pieces of teh Earth's Crust is in constant motion |
| Faults | a break in the Earth's crust |
| Earthquake | the sudden breaking and sliding of rock along a fault |
| Volcano | a weak spot in the crust where magma rises to the surface |
| Magma | molten rock from the mantle |