Log in or sign up to add this lesson to a Custom Course. Log in or Sign up. Scientists who study the ancient Earth have been working for hundreds of years to build an accurate timeline of the formation of the planet and the evolution of all life. This is no simple task! In order to build and improve this timeline, scientists must have several types of accurate methods they can use to determine the ages of materials.
This quiz will test your understanding of determining relative ages of rock layers, determining absolute ages of rock layers as well as using fossils for dating. Forgot your password? Speak now. Training Maker Discuss.