Flocabulary Geology Flashcard

Front

True or false: Sometimes older rocks end up on top of younger rocks.

Back

True

Front

How do sedimentary rocks form on Earth’s surface?

Back

in horizontal layers

Front

Using a substance’s rate of decay to determine its age is an example of

Back

absolute dating.

Front

What is normally found at the lowest stratum?

Back

the oldest rock

Front

Which of the following rock layers contains the youngest fossils?

Back

A

Front

What are sedimentary rocks?

Back

Rocks formed by the accumulation of sediments in layers.

Front

What is the principle of superposition?

Back

In undisturbed layers of rock, the oldest layers are at the bottom.

Front

What is relative dating?

Back

Determining the age of rocks by comparing them to other rocks.

Front

What are index fossils?

Back

Fossils used to define and identify a particular time period.

Front

What is the rock cycle?

Back

The continuous process of rock formation and transformation.