LAW Review E.History

Front

What is the approximate age of the Earth?

Back

4.6 Billion years.

Front

What does 'relative age' indicate about rock layers or fossils?

Back

It tells the age of one rock layer or fossil compared to another, indicating if one is older or younger.

Front

List the geological eras in order from oldest to youngest: Paleozoic, Cenozoic, Precambrian, Mesozoic.

Back

Precambrian, Paleozoic, Mesozoic, Cenozoic.

Front

In which era did the Triassic, Jurassic, and Cretaceous periods occur?

Back

Mesozoic Era.

Front

What is the purpose of Relative Dating?

Back

To determine whether an object is older or younger than other objects.

Front

What is Absolute Dating?

Back

A method used to determine the exact age of an object.

Front

Define the Paleozoic Era.

Back

A geological era that lasted from about 541 to 252 million years ago, known for the development of early life forms.

Front

What significant events occurred during the Mesozoic Era?

Back

The age of dinosaurs and the emergence of mammals and birds.

Front

What is the Cenozoic Era known for?

Back

The age of mammals and the rise of humans.

Front

What is a fossil?

Back

The preserved remains or traces of ancient organisms.