Term
|
Definition
| The idea proposed by Wegener that continents sit on large crustal plates that have moved over time to their current positions |
|
|
Term
|
Definition
| An idea about some aspect of the natural world that is widely accepted as true and supported by many observations |
|
|
Term
|
Definition
| The large circular currents in the mantle that help the Earth’s plates “float” (caused by changes in the temperature) |
|
|
Term
| Convergent plate boundary |
|
Definition
| The place where two neighboring plates are moving toward one another |
|
|
Term
|
Definition
| The solid, outer layer of the Earth, varying from 5 to 100 kilometers in thickness |
|
|
Term
|
Definition
| The region where two neighboring plates are moving apart |
|
|
Term
|
Definition
| The center of the earth, thought to be made of a solid spherical core |
|
|
Term
|
Definition
| The thick middle layer of the earth between the crust and the core |
|
|
Term
|
Definition
| Molten material that has been forced through the earth, usually through a volcano |
|
|
Term
|
Definition
| The molten rock under the earth’s surface |
|
|
Term
|
Definition
| The part of the center of the earth, thought to be made of liquid, that surrounds the solid inner core |
|
|
Term
|
Definition
| A theory of plate movement that states the earth’s crust is made up of many plates that “float” on the earth’s mantle due to heat energy |
|
|
Term
|
Definition
| The region where two plates converge and the less dense plate is pushed down under the more dense plate into the mantle |
|
|
Term
|
Definition
| Boundaries at which plates move past one another horizontally |
|
|
Term
|
Definition
| The preserved remains of organisms from an earlier geologic age that are dug out of the soil |
|
|
