Quiz on absolute dating
The highest layers tell them what happened more recently, and the lowest layers tell them what happened longer ago.
How do we use the Law of Superposition to establish relative dates?
Once we assume that all rock layers were originally horizontal, we can make another assumption: that the oldest rock layers are furthest toward the bottom, and the youngest rock layers are closest to the top. The forest layer is younger than the mud layer, right? When scientists look at sedimentary rock strata, they essentially see a timeline stretching backwards through history.
Free 5-day trial This quiz and corresponding worksheet will help you gauge your knowledge of radiometric dating methods and half-life through questions that test your understanding of what radioactive decay is as well as knowing what a material's half-life is.