Earths history

2. The geological process in which earthen materials are worn away and transported
3. A slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
4. Preserved remains of once living organisms
5. Everything beyond Earth
8. An indefinite and very long period of time, often a period exaggerated for humorous or rhetorical effect.
9. A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia.
11. Big reptiles
15. The study of the physical and natural world through observations and experiments
16. The process of wearing or being worn by long exposure to the atmosphere.

1. A geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago
6. The shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
7. The basic unit of the geologic time scale
10. A long and distinct period of history with a particular feature or characteristic.
12. A period of colder global temperatures and recurring glacial expansion capable of lasting hundreds of millions of years
13. Carbon remains of many organisms
14. The planet we live on