"Creating a Geological Time Scale, Day 2"
Bellwork:
1) Clean off your desk of everything but your folder and a pencil
2) How do you think you’ll do on the quiz today?
3) What would have helped you?
- Complete quiz
- Complete geological time lines
- Discuss important geological events: kya=thousand years ago, mya=millions years ago, bya=billions years ago
40kya: homo sapiens (humans)
1.6mya: stone age, homo erectus
2mya: ICE AGE (wooly mammoth, glaciers, neanderthals (cave men))
3.5mya: primitive humans (Lucy)
66mya: dinosaur extinction, Cenozoic era begins
245mya: age of reptiles, Mesozoic era begins, 90% of marine life had gone extinct
570mya: Paleozoic era begins, 600mya was the beginning of complex life (more than bacteria)
3.5bya: 1st life! (bacteria), Precambrian era
4.5bya: Earth forms
- Exit Slip: Complete “Response Sheet – It’s About Time” on page 85 in your workbook
CHECK OUT THE WEB GEOLOGICAL TIME MACHINE
CHECK OUT THE UNDERSTANDING GEOLOGICAL TIME SITE
Thursday, February 14, 2008
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