1.Chapter 13:Clues to Earth’s Past2.   3.   4. Paleontologists study fossils and reconstruct the appearance of animals. 5. Fossils: remains, imprints, or traces of prehistoric…

Slide 1 23.6 Earth’s History Layers of rock are deposited horizontally, like the layers of the Grand Canyon shown here. Slide 2 23.6 Earth’s History How do geologists…

Slide 1Absolute Ages of Rock Mr. Perez Slide 2 Important vocabulary Isotopes Radioactive decay Half-life Radiometric dating Uniformitarianism Slide 3 Absolute Ages Absolute…

Absolute vs. Relative Dating What is Geology? Geology is the study of the Earthâs form and composition and the changes it has undergone. Why do we care? Rock record provides…

Geologic Time What is Geology? Geology is the study of the Earthâs form and composition and the changes it has undergone. Why do we care? Rock record provides evidence of…