1. Discovering Earth’s History Rocks record geological events and changing life forms of the past.  We have learned that Earth is much older than anyone had previously…

1. Exploration of Earth History What evidence can we find in rocks? 2. Rocks tell the story of Earth’s History • Red Rock Canyon CO Devil’s Tower Wyoming Painted Desert…

Slide 1Relative Dating – Lab Which geologic event occurred first?? Which rock layer formed first? How do you know? Which rock layer formed first? How do you know? Geologic…

Slide 12 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt TIME SCALE FOSSILS TRACES OF ORGANISMS SCIENTISTS…

Slide 1Earths Past Slide 2 Fossils are traces or remnants of past life. Many fossils are found in rock. Rocks, fossils, and other natural evidence provide information about…

Slide 1Relative Dating Slide 2 I. Relative Dating Relative Dating comparedRelative Dating is when you give the age of a rock or fossil compared to another rock or fossil.…

Slide 1Relative Dating: Which Came First? (No we arent talking about dating your cousin even though we live in Alabama. ) Slide 2 What is relative dating? It is determining…

Slide 1Whos First? Copyright © Houghton Mifflin Harcourt Publishing Company What is relative dating? Scientists try to find out the order in which events happened during…

Slide 1Unit 2 Lesson 2 Relative Dating Copyright © Houghton Mifflin Harcourt Publishing Company Slide 2 Whos First? Copyright © Houghton Mifflin Harcourt Publishing Company…

Slide 11 Earths History Slide 2 2 Planet Earth is approximately 4.5 X 10 9 years old –Rocks of the crust provide clues to Earths past By analyzing these clues we can infer…