Geological Timeline

1. Geological Timeline Jeopardy Hosted by Mrs. LaBelle

2. Fossils Period Era Dating Interesting Stuff $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500

3. Fossils are almost always found in _______________ igneous rock – or – sedimentary rock sedimentary rock Fossils for $100

4. Most fossils form when organisms die and are buried in a. sediment b. faults c. unconformities d. ice Fossils for $200 a. sediment

5. A scientist who studies fossils is called a ____________________. volcanologist – or – paleontologist Fossils for $300 paleontologist

6. A petrified fossil forms when ______? • minerals seep into the empty • space of a mold. • b. minerals replace all or part • of an organism. • c. an organism becomes trapped in amber • d. the weight of sediment squeezes • everything away except carbon minerals replace all or part of an organism Fossils for $400

7. Fossils provide evidence for all of the following EXCEPT for: a. changes in the Earth's surface b. how Earth originally formed. c. how environments on Earth have changed over time. d. how groups of organisms have changed over time. Fossils for $500 how Earth originally formed

8. There have been ___periods since • Precambian times • 10 • 12 • 9 • 3 12 Period for $100

9. The period where flowering plants • appeared was the _______________ • Cambrian • Permian • Cretaceous • Quaternary Period for $200 Cretaceous

10. How many periods are in • the Mesozoic Era? • 3 • 6 • 5 • 2 3 Period for $300

11. What period were giant cockaroaches And dragon flies common? Period for $400 Carboniferous Pennsylvanian

12. In what period did Pangea come together? Period for $500 Permian

13. On the Geologic Time Scale, eras are divided into _____________? a. epochs. b. indexes. c. periods. d. relative dates. Era for $100 periods

14. Plants and animals first reached land during the ____________ Era. Paleozoic – or – Cenozoic Era for $200 Paleozoic

15. The earliest forms of life appeared during the _______________ a. Paleozoic Era. b. Cenozoic Era. c. Precambrian Time. d. Mesozoic Era c. Precambrian Time. Era for $300

16. The Mesozoic Era is often called the a. Age of Mammals b. Age of Fish c. Age of Reptiles d. Age of Amphibians Age of Reptiles Era for $400

17. A part of the Mesozoic Era, named for the Jura Mountains in France, is ________________ a. Cenozoic Era b. Carboniferous Period c. Paleozoic Era d. Jurassic Period Era for $500 Jurassic Period

18. Scientists use radioactive dating to a. determine the absolute ages of rocks. b. discover the source of index fossils. c. determine the relative ages of extrusions. d. find trace fossils in igneous rock. Dating for $100 determine the absolute ages of rocks

19. The ____________age is the number of years since the rock was formed. relative – or - absolute absolute Dating for $200

20. The__________ is the age of a rock compared to the ages of other rocks. relative – or - absolute Dating for $300 relative

21. The _ ______ __of a radioactive element is the time it takes for half of the radioactive atoms to decay. absolute age or half life half life Dating for $400

22. What is an unconformity? A gap in the geologic record. It shows where some rock layers have been lost to erosion. - or - Something you wear to school A gap in the geologic record. It shows where some rock layers have been lost to erosion. Dating for $500

23. The deeper one travels into the Grand Canyon, the younger the rocks become. ___________ True – or - false Interesting Stuff for $100 False

24. According to the law of superposition, the older layer is at the bottom. Each higher layer is __________ than the layers below it. older – or – younger Interesting Stuff for $200 younger

25. An animal with a backbone is called a _________________. invertebrate – or – vertebrate Interesting Stuff for $300 vertabrate

26. The process by which all living things have changed over long periods of time is called _________ evolution or vertebrate evolution Interesting Stuff for $400

27. Magma that forces its way into rock and hardens is called ________. a) extrusion b) unconformity c) fault d) intrusion intrusion Interesting Stuff for $500