2024 Earth & Space Unit 4: Test Review

Front

What happens to pressure as we move from the crust to the inner core?

Back

Pressure increases.

Front

How much C14 will remain in a fossil after 17,190 years?

Back

12.5%.

Front

What is the difference between absolute age and relative age?

Back

Only absolute dating finds the age in years.

Front

Which dating method applies the Law of Superposition?

Back

Relative dating.

Front

According to the law of superposition, which layer is the youngest?

Back

Layer A.

Front

What is the Law of Superposition?

Back

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

Front

What is absolute dating?

Back

A method that determines the exact age of a rock or fossil in years.

Front

What is relative dating?

Back

A method that determines the age of a rock or fossil in relation to other rocks or fossils.

Front

What is carbon-14 dating used for?

Back

To determine the age of organic materials by measuring the amount of carbon-14 remaining.

Front

What is the significance of pressure in Earth's layers?

Back

Pressure increases with depth due to the weight of overlying materials.