Geologic Change Over Time

What principle explains that geologic processes that occurred in the past can be explained by current geologic processes? (The key to the past is the present)

What are five things scientists can study to learn about Earth's climate history?

What are parts or remains of an organism that lived long ago, most commonly preserved in sedimentary rock called?

Both hard and soft tissues of organisms can be preserved in __?

What is a fossil in which minerals replace all or part of an organism?

What processes cause tall, jagged mountain ranges to become rounder and smaller over time?

How does tree growth reflect variations in past climate?

What are features on sedimentary rock that form when fine-grained sediments at the bottom of a shallow body of water are exposed to air and dry out?

The process of fossilization in which an organism becomes stuck in thick, sticky tar is __.

What type of rock are fossils found in?