Geologic Time. How much time ? Determining geological ages Relative age dates – placing rocks and events in their proper sequence of formation Numerical.
1.Archaeologists use the half-life of _____ to date organic materials. A.carbon-12 C.carbon-14 B.uranium-235 D.uranium-238.
Relative Dating of Rocks. Relative Dating and the Law of Superposition Relative dating is determining the age of a rock or geologic event when comparing.
Geologic History. Geologic Time Scale Chart of Earths history showing events, time units, & ages Era: the four largest subdivisions of the geologic time.
Unit A Chapter 2 Views of the Earth’s Past. Fossils –Traces or remains of living things They can give us clues into the following Climate: weather conditions.
LEQ: How do geologists and paleontologists determine the relative age of rocks? Part 1 Key Terms: Absolute Age, Relative Age, Law of Superposition, 1.
Chapter 8 The Rock Record Chapter 9 The Mesozoic and Cenozoic Eras.
Earth and Solar System. I.Formation of the Universe. A.Big bang is the most commonly accepted theory. 1. Supported by evidence that Galaxies are moving.
Earth’s History: Fossils and Absolute Age. The Big Question: How do we know long life has existed on Earth?
Chapter 8 The Rock Record Chapter 9 The Mesozoic and Cenozoic Eras
FOSSILS
Formation of Earth/Moon & Geologic Dating Review
