Basic process of radiometric dating Uncencored random webcam chat

But really, how do scientists figure out how old their dinosaur bones are?And, what about other findings like fossil fish, plants and insects?Free 5-day trial Learn how scientists determine the ages of rocks and fossils.

Let's find out more about these geological dating methods in order to understand how Paul the Paleontologist can be so sure about the age of his dinosaur fossils.In 1896, a French physicist named Henri Becquerel discovered radioactivity in an element called uranium.He saw that it underwent radioactive decay, or emission of energetic particles to produce new elements.He could be pretty confident that his super awesome dinosaur was about 175 million years old.Stratigraphic and fossil succession are good tools for studying the relative dates of events in Earth's history, but they do not help with numerical dating.The first method that scientists use to determine the age of rocks is relative dating.In this method, scientists compare different layers of rock to determine an ordered sequence of events in geologic history.That means they don't really know how old their rocks actually are.The key in relative dating is to find an ordered sequence.As a member, you'll also get unlimited access to over 70,000 lessons in math, English, science, history, and more.Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

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