May 19 to June 11 - Earth History

Warm-ups

5/19 Review the geological time scale. What is the difference between an eon, an era, and a period? What is the geological time scale in your own words?

5/20 Review the ways organisms become preserved as fossils (pages 81-82). Which methods seem to preserve fossils in a way that provide the most information about the organisms?

5/21 Read Lab and answer questions 1 & 2.

5/22 Look at the images of the Rocky Mountains and the Appalachian Mountains on page 87. What differences do you observe in the shapes of the mountains in each range? What processes account for these changes?

5/23 List three methods that scientists use to learn about Earth’s history.

5/27 Why is the law of superposition most easily applied to undisturbed rock layers?

5/28 Use page 96 to list and define the four methods of disturbing rock layers.

5/30 How do scientists use the geologic column?

6/2 How are different branches of science interconnected? Give an example.

6/4 Draw an analog clock showing 12:00. Show what time it would be after one half-life. Show what time it would be after two half-lives.

6/5 Use a venn-diagram to compare and contrast absolute dating and relative dating. How are absolute dating and radiometric dating connected?

Quizzes and Tests

1. Unit 2, lesson 1 quiz 5/23

2. Unit 2, lesson 2 quiz 5/30

3. Unit 2, lesson 3 quiz 6/5

4. Unit 2, lesson 4 quiz 6/10

5. Unit 2 test 6/11

Essential Questions

• How do we learn about Earth’s History?

• How are the relative ages of rocks measured?

• How is the absolute age of rock measured?

• What is the geologic time scale?