RELATIVE DATING

Front

What is Relative Dating?

Back

A method used to determine whether an object is older or younger than other objects.

Front

What part of an organism is most likely to become a fossil?

Back

Bones.

Front

What does the Law of Superposition state?

Back

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

Front

What is an unconformity?

Back

A gap in the geological record that represents a period of erosion or non-deposition.

Front

What is Absolute Dating?

Back

A method that uses radioactive elements to determine the actual age of fossils.

Front

What is the significance of fossils in relative dating?

Back

Fossils help to identify the relative ages of rock layers and the organisms that lived during those times.

Front

What is the principle of original horizontality?

Back

Layers of sediment are originally deposited horizontally under the action of gravity.

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating determines the order of events, while absolute dating provides a specific age.

Front

What is Pangaea?

Back

A supercontinent that existed when all continents were joined together.

Front

What evidence supports the theory of continental drift?

Back

Fossil distribution, geological similarities, and the fit of continental coastlines.