Fossils: Evidence of Past Life. Fossils Fossils are the remains or traces of prehistoric life.
The Relative Age of Rocks
We know Earth is 4.6 Billion years old BUT HOW DO WE KNOW?
Plate Tectonics ESPS 2015 Hagen. ESSENTIAL QUESTIONS Explain and give evidence of Continental Drift Describe the process of sea-floor spreading List and.
Warm-up 1. How do scientists use ‘relative dating?’ 2. Which layer is the oldest? 3. Which layer is the youngest? 4. Which layers are older than the fault.
Lesson 4 Historical geology
The Rock Record Section 1 Key Ideas State the principle of uniformitarianism. Explain how the law of superposition can be used to determine the relative.
Section 1 Determining Relative Age Chapter 8 Objectives State the principle of uniformitarianism. Explain how the law of superposition can be used to.
Warm Up Match the type of evidence with what scientists could learn about it. Type of Evidence: 1)Tree rings 2) trace fossils 3) mold fossils 4) petrified.
Unit 5: Age of the Earth
Key Ideas
Igneous Rocks
