Dynamic Earth Unit 2

Determining the actual age of an event or object.

An ordered arrangement of rock layers based on the relative ages of the rocks

Which of the following methods can tell us about Earth's climate history?

States that geologic processes that happened in the past can be explained those happening today

A long cylinder of ice drilled from the ice caps (and used to determine climate history)

Used to determine the relative age of sedimentary rocks.

Finding the absolute age of a sample by observing the radioactive decay in an object.

The scientific study of the origin, history, forces behind, and structure of the Earth.

Fossils used to estimate the absolute age of the rock layers in which they are found.

The trace OR remains of an organism that lived long ago

Used to determine whether an object or event is older or younger than other objects or events.

A break in the geologic record

Which is NOT a way we can find fossils preserved?

A fossilized structure formed by animal activity

Which of the following is NOT a method of radiometeric dating?