Term
|
Definition
| An object that is solid, is formed in nature, and that has never been alive. |
|
|
Term
|
Definition
| A solid made of minerals. |
|
|
Term
|
Definition
| The solid outer layer of the Earth. |
|
|
Term
|
Definition
| The middle layer of the Earth. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Rock that was once melted but has cooled and hardened. |
|
|
Term
|
Definition
| Rock that formed from materials that have settled into layers. The layers are squeezed together until they harden into rock. |
|
|
Term
|
Definition
| Igneous, sedimentary, or other metamorphic rock that has been changed by heat and pressure. |
|
|
Term
|
Definition
| The process in which one type of rock changes into another type of rock. |
|
|
Term
|
Definition
| Something that has lasted from a living thing that died long ago. |
|
|
Term
|
Definition
| A natural shape or feature of the earth's surface. |
|
|
