The Earth Through Time Flashcardizz

Front

What is the oldest layer of rock called?

Back

The oldest layer of rock is referred to as the 'oldest layer'.

Front

What is the youngest layer of rock called?

Back

The youngest layer of rock is referred to as the 'youngest layer'.

Front

What is Absolute Dating?

Back

Absolute dating is any method of measuring the actual age of something in years.

Front

What is Relative Dating?

Back

Relative dating is determining the age of an object in relation to another object.

Front

What does the term 'Relative Age' mean?

Back

Relative age refers to how old something is compared to how old something else is.

Front

What is the Rock Record?

Back

The Rock Record is a compilation of all Earth's known rocks.

Front

What is the significance of fossils in determining the age of rocks?

Back

Fossils help determine the relative ages of rock layers based on the organisms that lived during different time periods.

Front

What does it mean if a fossil is found in shale?

Back

If a fossil is found in shale, it indicates that the organism lived before the organisms that formed fossils in limestone.

Front

How do scientists use rock layers to understand Earth's history?

Back

Scientists study rock layers to understand the sequence of events and the relative ages of different geological formations.

Front

What is the difference between Absolute Age and Relative Age?

Back

Absolute age is the actual age in years, while relative age is the age of an object in comparison to another.