| A | B |
| _______ are evidence such as the remains, imprints, and traces of once liveng organisms. | Fossils |
| ___________ _______ are hard rocklike remains of fossils that have been filled with minerals. | Petrified Remains |
| Process of chemically changing plant material is called carbonization, and produces a fossil called _____________ _____ | carbonaceous film |
| A _____ is a cavity that is left behind after a fossil has decayed and not yet a cast. | mold |
| A ____ is a filled in cavity that filled in in with sediments. | cast |
| _______ _______ are fossils that are not decayed and found still in tact. | Original Remains |
| _____ _______ are fossils found that were left afer dinosaurs. | Trace Fossils |
| _______ means that is is not living any longer.. | Extinct |
| A ______ is thought to of land when the dinos where alive. | meteorite |
| ___ __ _____________ states that in an undisturbed layer of rock the oldest rock is on bottom. | Law of superposition. |
| _________ ______ is used in geology to see how old a layer of rock is. | Relative Dating |
| ______________ are gaps in rock records. | Uncomformities. |