Slide 1 Slide 2 Unit 6 – The Geosphere Vocabulary 1.Uniformitarianism 2.Relative Dating 3.Law of Superposition 4.Principle of Original Horizontality 5.Principle of Cross-…

1.12.1 Discovering Earth’s History2. Uniformitarianism The concept that processes that have shaped Earth in the past are essentially the same as those operating today 3.…

1. Discovering Earth’s History 12.1 2. UniformitarianismThe concept that processes that have shaped Earth past are essentially the same as those…

Discovering Earthâs History Rocks Record Earthâs History 1. Rocks record geological events and changing life forms of the past. 2. Scientists have learned that the Earth…

Founders of Modern Geology The Tales Rocks Tell and the Changes to the Story Principle of Superposition and Unconformities Mountains BrainPOP has good examples of unconformities…

Founders of Modern Geology The Tales Rocks Tell and the Changes to the Story Principle of Superposition and Unconformities Mountains BrainPOP has good examples of unconformities…

Founders of Modern Geology The Tales Rocks Tell and the Changes to the Story Principle of Superposition and Unconformities Mountains BrainPOP has good examples of unconformities…

RAP 3/14 pg. 42 How old is the Earth? How do we know? TOPIC: Geologic History 29.1 Fossils 29.2 Relative Time 29.3 Absolute Time Paleontology The study of life that existed…

Ch 10 Ages of Rocks 10.2/10.3 10.2 Relative Ages of Rocks Principle of Superposition: states that in an undisturbed layer of rock, the oldest rocks are on the bottom and…