Fossils, Relative & Absolute Dating

Front

What is a rocky formation made when magma cools under Earth's surface?

Back

Intrusion

Front

Which rock layer in a geological diagram is typically the oldest?

Back

The bottom layer is usually the oldest.

Front

How does the fossil record support the theory of evolution?

Back

The fossil record shows that organisms slowly change over time.

Front

What is absolute age in geology?

Back

Absolute age tells the age of a rock in a number of years.

Front

What is a fault in geological terms?

Back

A fault is a fracture in the Earth's crust where blocks of rock have moved past each other.

Front

What is relative dating?

Back

Relative dating is determining the age of rocks or fossils in relation to other rocks or fossils.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of ancient organisms.

Front

What is an inclusion in geology?

Back

An inclusion is a piece of one rock unit that is contained within another.

Front

What is an unconformity?

Back

An unconformity is a surface that represents a gap in the geological record.

Front

What does the Law of Superposition state?

Back

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