1. Slide
60 seconds
The Geologic Time Scale
2. Word cloud
60 seconds
What do you know about the history of the Earth?
3. Slide
60 seconds
The Geologic Time Scale
What is it? The geologic time scale is a representation of time based on Earth's rock record. Add this to your notes.
4. Slide
60 seconds
Watch this video and add notes to your note sheet.
5. Slide
60 seconds
More notes:
The Eras, Newest to Oldest: Cenozoic - (present day) Mesozoic Paleozoic Precambrian - (beginning of time)
6. Poll
30 seconds
According to scientists, how old is the Earth?
- 8000 years
- 2.5 million years
- 4.6 billion years
7. Poll
20 seconds
Which era is the oldest?
- Precambrian
- Cenozoic
- Paleozoic
8. Poll
20 seconds
Which era is the most recent?
- Mesozoic
- Precambrian
- Cenozoic
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