1. Earth History Unit Post Test 4 Dec 15  LT: Demonstrate my understanding of Earth History  HW: none  Opener: In which type of rock can scientists determine absolute age? Igneous; radioactive elements occur naturally in it

2. Earth History Unit Post Test  Test time  Phone off or silent on desk  Index card prepared last night  Pencil or blue or black pen  Expectations  No communicating of any kind  Eyes on own paper  After test assignment

3. Earth History Unit Post Test  After Test Assignment  # 2 How the giraffe got it’s long neck  Read and answer the following questions Before you read the article: 1. What feature or part of the giraffe makes it most unusual? After you read: 2. Why do you think the giraffe has a long neck? 3. What do we know about the neck of the giraffe today? 4. What question would you ask the scientists who study the giraffe?