Rocks, Rock Cycle, Superposition, Geologic Time, Fossils Review

Front

What type of grain is created by slow cooling of magma?

Back

Coarse Grain

Front

What is a fossil mold?

Back

A hollow area that's an impression of an ancient organism.

Front

Which of the following is not considered a fossil?

Back

A dead tree on a forest floor.

Front

What is the term for the number of years since a rock formed?

Back

Absolute Age.

Front

What is the term for the age of a rock compared to other rocks?

Back

Relative Age.

Front

What is the rock cycle?

Back

The continuous process of rock formation, breakdown, and reformation.

Front

What are fossils?

Back

Remains or traces of ancient organisms preserved in rock.

Front

What is superposition in geology?

Back

The principle that in undisturbed layers of rock, the oldest rocks are at the bottom.

Front

What is an index fossil?

Back

A fossil that is used to define and identify a particular time period.

Front

How do sedimentary rocks form?

Back

From the accumulation and compaction of sediment.