1. Lesson 090 Make a geological ‘clock’!
Learning Goal: (You should be able to…)
Describe Earth’s history!
Success Criteria: (Can you …)
Make a geological ‘clock’!

2. How to organize lesson 090 The lessons Agenda was: W to T Read
Re organize on a summarizer
Answer questions?
Make a geological ‘clock’!

3. Vocabulary Terms

4. Write to Think 090 HAPPY NEW YEAR AND WELCOME BACK!
What is a ‘clock model’
About how old is Earth?
What is the difference between Era and Period?
What is the first time divison called … why?
What time division are we in right now?

5. Earth’s History/ Geologic Clock Instructions…
To Have Complete by end of TUESDAY … so homework?
Complete History Clock Model calculation data table for step 1.
Color-code (shade in) AND label Era’s on Clock organizer.
Complete table of life calculation data table for step 2.
Fill in the table of life in the top right hand corner on Clock organizer (add time).
Complete Other Noteworthy events calculation data table for step 3.
Fill in boxes around Clock organizer for noteworthy events (add time and description).
Read and annotate informational text about Earth’s Eras.
Make an organizer
Complete Teachers summarizer about Earth’s Eras.
Use second informational text to add more information.
Answer questions.

6. Completing the Calculation Data Table(s)
STEP 1:
Completing the Calculation Data Table(s)
544
1.42
10.58
0.58
544 MYA
1.42
34.8 35 10
:35

7. STEP 2:
Shading in the Eras.
Precambrian Time
= 12 minutes

8. Filling out the life table in the top right hand corner.
Beginning of Earth
& Present Day
STEP 3:
Filling out the life table in the top right hand corner.

9. Completing the boxes around the clock
Beginning of Earth
& Present Day
STEP 4:
Completing the boxes around the clock

10. 1. 2. 3. 5. 4. 6.

11. End of Lesson

12. Public Service Announcement
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Want to be 10x smarter than everyone else in the world in science? Bump that number up 9%.
Review the information in your science binder for 10 minutes a month. Don’t wait… Start TODAY!