Earth History

2. When sediments are deposited in flat, horizontal layers.
7. Rocks that change due to heat and pressure.
8. The final way landforms are shaped.
9. __________ ________ allow rock layers to be correlated by age.
11. One way landforms are shaped.
12. ___________ ______ can reveal information about where a rock formed.
14. Some examples of the word are the lithosphere and asthenosphere.
16. Lower layers are older than higher layers due to this principle.
17. Every place on Earth's surface has a unique geological ___________.
18. Deposited over Earth's surface through wind, water, and/or ice.
19. Changes rocks to other types of rocks using melting deposition, pressure, and other processes.

1. Drives plate tectonics.
3. Allow us to infer events and environments on Earth.
4. The way things are happening now has happened before and will continue that way.
5. _______________ time extends from Earth's origin to modern times.
6. Are formed by plate interactions.
10. The _________ __________ represents what we know about ancient life.
13. The relative ages of rocks can be determined by the _____________ of layers.
15. Another way landforms are shaped.