The Age of Earth's Rocks

Front

What are sedimentary rocks formed from?

Back

Sediment and remains of plants and animals

Front

What is the principle used in relative dating that involves comparing layers?

Back

Superposition

Front

Absolute dating is also known as ______.

Back

Radiometric Dating

Front

Which method is usually done in the lab?

Back

Absolute Dating

Front

Which dating method is based on physical and chemical properties?

Back

Absolute Dating

Front

Relative dating is done on site/in the field. True or False?

Back

True

Front

Absolute dating uses half-life and radioactive decay. True or False?

Back

True

Front

What does the Law of Superposition state?

Back

The oldest rocks are on the bottom

Front

The Absolute Age of Earth is about _______ years old.

Back

4.6 billion

Front

According to the Law of Cross-Cutting Relations, if a fault cuts through a rock layer, it is _______ than the layer.

Back

younger