Geologic Time Webquest
Use the websites to answer the questions that follow. Put answers on your worksheet.
intro from Brainpop https://www.brainpop.com/science/earthsystem/geologictime/
http://www.ucmp.berkeley.edu/help/timeform.php
http://www.fossils-facts-and-finds.com/geologic_time_line.html
http://www.fossilmuseum.net/GeologicalHistory.htm
1. In order from oldest to present, what are the three main eras?
2. Which era do we live in?
3. During which era did the first fish develop?
4. During which era did the first humans develop?
5. Which era is known as the "Age of the Dinosaur?"
6. Which era is known as the "Age of Mammals?"
7. Name the 12 periods on the Geologic Time Scale, in order from oldest to present.
8. Number the items below in order of their development on earth:
man land plants insects birds dinosaurs fish
reptiles flowering plants mammals amphibians trees
click above and read column on the right
9. When did the Paleozoic Era take place?
10. Where was Africa located during the Paleozoic Era?
11. Earth's greatest mass extinction (that we know about) took place at the end of the Paleozoic Era. What percent of Earth's species died off?
12. Did cavemen live during the Mesozoic Era?
13. Click the link, what does the animation represent? http://geology-guy.com/teaching/iac/animations/pangaea.htm
14. What happened at the end of the Mesozoic Era?
15. The three periods in the Mesozoic Era are the Cretaceous, Jurassic, and Triassic. Choose one. Which one did you choose?
16. When did this period take place?
17. Name five living things from this period. (your list can include plants, animals, or a combination of both)
18. Where have fossils from this period been found? (localities)
http://www.britannica.com/science/Precambrian-time
19. About how much of Earth's history took place during the Precambrian Eon?