Across
- 2. ______________ dating is a method of determining the exact age of an object or event
- 4. A type of rock that forms when molten rock cools and solidifies
- 6. A rock that has changed from its original form due to intense heat, pressure, or hot fluids
- 8. _______________ spreading the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side
- 11. ______________ dating is a method of determining if one thing is older or younger than another, without providing an exact age
- 12. _______________ plates are large, solid, and irregularly shaped pieces of Earth's crust that move over the mantle
- 13. The continuous movement of water between the Earth's atmosphere and surface
- 15. __________________ drift is the gradual movement of the continents across the earth's surface through geological time
- 16. A type of rock formed by the accumulation and cementation of sediments, which are small particles of minerals or organic matter, deposited at the Earth's surface, essentially building up layers of material over time through processes like weathering and erosion
- 17. The process of eroding or being eroded by wind, water, or other natural agents
Down
- 1. ________________ Time Scale is a timeline that shows Earth's history divided into units of time
- 3. The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
- 5. Rock _________ are horizontal layers of sedimentary rock that are stacked on top of each other
- 7. A supercontinent that existed about 300–200 million years ago
- 9. The process of wearing or being worn by long exposure to the atmosphere
- 10. _________________ processes refers to the natural physical and chemical events that shape the Earth's surface
- 14. The process by which rocks change from one type to another