Unit 4 Geologic History Review Regents Earth Science

Unit 4 – Geologic History Review Regents Earth Science Miss Wojdan

1. The presence of coal in Antarctica indicates that A. Forests can grow on continental glaciers B. Coal can form in cold climates C. Antarctica’s climate was once warmer D. Antarctica currently has areas of

1. The presence of coal in Antarctica indicates that A. Forests can grow on continental glaciers B. Coal can form in cold climates C. Antarctica’s climate was once warmer D. Antarctica currently has areas of

2. What evidence suggests that a mass extinction of the dinosaurs occurred at the end of the Cretaceous Period? A. An absence of dinosaur fossils in Paleocene bedrock B. Drawings of dinosaurs made by humans in caves during the Paleocene Epoch C. An abundance of dinosaur fossils in Early Cretaceous bedrock D. Evolution of dinosaurs during the Late Cretaceous Epoch

2. What evidence suggests that a mass extinction of the dinosaurs occurred at the end of the Cretaceous Period? A. An absence of dinosaur fossils in Paleocene bedrock B. Drawings of dinosaurs made by humans in caves during the Paleocene Epoch C. An abundance of dinosaur fossils in Early Cretaceous bedrock D. Evolution of dinosaurs during the Late Cretaceous Epoch

3. Evidence indicates that 251 million years ago a mass extinction of many life-forms occurred on Earth. Which form of life became extinct at this time? A. Trilobites B. Dinosaurs C. Mammoths D. Eurypterids

3. Evidence indicates that 251 million years ago a mass extinction of many life-forms occurred on Earth. Which form of life became extinct at this time? A. Trilobites B. Dinosaurs C. Mammoths D. Eurypterids

4. Thin layers of volcanic ash act as excellent time markers in the correlation of bedrock because volcanic ash A. Is easily eroded and lasts only for a short time on Earth’s surface B. Stays in the atmosphere for millions of years C. Is deposited over millions of years D. Falls to Earth over a large area in a

4. Thin layers of volcanic ash act as excellent time markers in the correlation of bedrock because volcanic ash A. Is easily eroded and lasts only for a short time on Earth’s surface B. Stays in the atmosphere for millions of years C. Is deposited over millions of years D. Falls to Earth over a large area in a

5. How much of an 800 -gram sample of potassium-40 will remain after 3. 9 × 109 years of radioactive decay? A. 50 grams B. 100 grams C. 200 grams D. 400 grams

5. How much of an 800 -gram sample of potassium-40 will remain after 3. 9 × 109 years of radioactive decay? A. 50 grams B. 100 grams C. 200 grams D. 400 grams

6. Which number best represents when humans are inferred to have first appeared on Earth? A. B. C. D. 1 2 3 4

6. Which number best represents when humans are inferred to have first appeared on Earth? A. B. C. D. 1 2 3 4

7. The index fossil shown below has been found in New York State sedimentary bedrock. What other index fossil could also be found in New York State bedrock of the same age? A. B. C. D.

7. The index fossil shown below has been found in New York State sedimentary bedrock. What other index fossil could also be found in New York State bedrock of the same age? A. B. C. D.

8. Which fossil sequence is in order from oldest to youngest? A. B. C. D.

8. Which fossil sequence is in order from oldest to youngest? A. B. C. D.

9. Which two types of organisms both survived the mass extinction that occurred at the end of the Permian Period? A. Trilobites and Nautiloids B. Corals and Vascular Plants C. Placoderm Fish and Graptolites D. Gastropods and Eurypterids

9. Which two types of organisms both survived the mass extinction that occurred at the end of the Permian Period? A. Trilobites and Nautiloids B. Corals and Vascular Plants C. Placoderm Fish and Graptolites D. Gastropods and Eurypterids

10. The map below shows the location of Chicxulub Crater created 65. 5 million years ago by an asteroid impact. This impact occurred at the same time as the A. Extinction of dinosaurs B. Initial opening of the Atlantic Ocean C. Formation of the Catskill Delta D. Evolution of the first mammals

10. The map below shows the location of Chicxulub Crater created 65. 5 million years ago by an asteroid impact. This impact occurred at the same time as the A. Extinction of dinosaurs B. Initial opening of the Atlantic Ocean C. Formation of the Catskill Delta D. Evolution of the first mammals

11. What is the amount of Carbon-14 remaining after 28, 500 years? A. 1/16 g B. 15/16 g C. 1/32 g D. 31/32 g

11. What is the amount of Carbon-14 remaining after 28, 500 years? A. 1/16 g B. 15/16 g C. 1/32 g D. 31/32 g

12. If the original mass of a radioactive isotope was 24 grams, how many grams would remain after 3 half-lives? A. 12 g B. 24 g C. 3 g D. 6 g

12. If the original mass of a radioactive isotope was 24 grams, how many grams would remain after 3 half-lives? A. 12 g B. 24 g C. 3 g D. 6 g

13. According to the fossil record, which sequence correctly represents the evolution of life on Earth? A. Fish Amphibians Mammals Soft bodied organisms B. Fish Soft-bodied organisms Mammals Amphibians C. Soft-bodied organisms Amphibians Fish Mammals D. Soft-bodied organisms Fish

13. According to the fossil record, which sequence correctly represents the evolution of life on Earth? A. Fish Amphibians Mammals Soft bodied organisms B. Fish Soft-bodied organisms Mammals Amphibians C. Soft-bodied organisms Amphibians Fish Mammals D. Soft-bodied organisms Fish

14. Which letter indicates when dinosaurs became extinct? A. A D. D B. B C. C

14. Which letter indicates when dinosaurs became extinct? A. A D. D B. B C. C

15. How old is a fossil that has radioactively decayed through 4 halflives of Carbon-14? A. B. C. D. 5, 700 years 17, 100 years 22, 800 years 28, 500 years

15. How old is a fossil that has radioactively decayed through 4 halflives of Carbon-14? A. B. C. D. 5, 700 years 17, 100 years 22, 800 years 28, 500 years

16. An igneous rock contains 10 grams of radioactive Potassium-40 and a total of 10 grams of its decay products. During which geologic time interval was this rock most likely formed? A. B. C. D. Middle Archean Late Archean Middle Proterozoic Late Proterozoic

16. An igneous rock contains 10 grams of radioactive Potassium-40 and a total of 10 grams of its decay products. During which geologic time interval was this rock most likely formed? A. B. C. D. Middle Archean Late Archean Middle Proterozoic Late Proterozoic

17. Which geologic event occurred in New York State at approximately the same time that eurypterids first appeared? A. The opening of the Atlantic Ocean B. The formation of the Queenston Delta C. The uplift of the Appalachian Mountains

17. Which geologic event occurred in New York State at approximately the same time that eurypterids first appeared? A. The opening of the Atlantic Ocean B. The formation of the Queenston Delta C. The uplift of the Appalachian Mountains

18. Evidence best indicates that rock layers 4 and 8 were deposited during the same geologic period because both layers A. B. C. D. Contain the same index fossil Are found in the same area Are composed of glacial sediments Contain fossils of the same age

18. Evidence best indicates that rock layers 4 and 8 were deposited during the same geologic period because both layers A. B. C. D. Contain the same index fossil Are found in the same area Are composed of glacial sediments Contain fossils of the same age

19. Which diagram best represents the percentage of this radioactive isotope sample that will remain after 2 half-lives? A. B. C. D.

19. Which diagram best represents the percentage of this radioactive isotope sample that will remain after 2 half-lives? A. B. C. D.

20. Which event occurred most recently? A. Formation of layer A B. Formation of layer D C. Tilting of all 4 sedimentary rock layers D. Erosion of the igneous rock at the surface

20. Which event occurred most recently? A. Formation of layer A B. Formation of layer D C. Tilting of all 4 sedimentary rock layers D. Erosion of the igneous rock at the surface

21. Which index fossil may be found in the surface bedrock near Ithaca, New York? A. B. C. D.

21. Which index fossil may be found in the surface bedrock near Ithaca, New York? A. B. C. D.

22. A whale bone that originally contained 200 grams of radioactive Carbon-14 now contains 25 grams of Carbon-14. How many Carbon-14 halflives have passed since this whale was alive? A. 1 half-life B. 2 half-lives C. 3 half-lives

22. A whale bone that originally contained 200 grams of radioactive Carbon-14 now contains 25 grams of Carbon-14. How many Carbon-14 halflives have passed since this whale was alive? A. 1 half-life B. 2 half-lives C. 3 half-lives

23. According to the graph, what is the half-life of this isotope? A. 100 years B. 150 years C. 200 years D. 300 years

23. According to the graph, what is the half-life of this isotope? A. 100 years B. 150 years C. 200 years D. 300 years

24. Which pie graph best represents the percentage of total time for the four major divisions of geologic time? A. B. C. D.

24. Which pie graph best represents the percentage of total time for the four major divisions of geologic time? A. B. C. D.

25. The presence of which index fossil in the surface bedrock most likely indicates that a forest environment once existed in the region? A. Aneurophyton B. Cystiphyllum C. Centroceras D. Bothriolepis

25. The presence of which index fossil in the surface bedrock most likely indicates that a forest environment once existed in the region? A. Aneurophyton B. Cystiphyllum C. Centroceras D. Bothriolepis

26. Which two letters represent bedrock of the same age? A. B. C. D. A and E B and D F and G D and H

26. Which two letters represent bedrock of the same age? A. B. C. D. A and E B and D F and G D and H

27. The folding of rock layers G through C was most likely caused by A. Erosion of overlying sediments B. Contact metamorphism C. The collision of lithospheric plates

27. The folding of rock layers G through C was most likely caused by A. Erosion of overlying sediments B. Contact metamorphism C. The collision of lithospheric plates

28. Analysis of a basalt rock sample shows that 25% of its radioactive K-40 remained undecayed. How old is the basalt? A. 1. 3 billion years B. 2. 6 billion years C. 3. 9 billion years D. 4. 6 billion years

28. Analysis of a basalt rock sample shows that 25% of its radioactive K-40 remained undecayed. How old is the basalt? A. 1. 3 billion years B. 2. 6 billion years C. 3. 9 billion years D. 4. 6 billion years

29. Fossils of trilobites, graptolites, and eurypterids are found in the same bedrock layer in New York State. During which geologic time interval could this bedrock layer have formed? A. Late Ordovician to Late Pennsylvanian B. Late Silurian to Early Cretaceous C. Early Permian to Late Jurassic

29. Fossils of trilobites, graptolites, and eurypterids are found in the same bedrock layer in New York State. During which geologic time interval could this bedrock layer have formed? A. Late Ordovician to Late Pennsylvanian B. Late Silurian to Early Cretaceous C. Early Permian to Late Jurassic

30. Earth’s early atmosphere formed during the Early Archean Era. Which gas was generally absent from the atmosphere at that time? A. Water Vapor B. Carbon Dioxide C. Nitrogen D. Oxygen

30. Earth’s early atmosphere formed during the Early Archean Era. Which gas was generally absent from the atmosphere at that time? A. Water Vapor B. Carbon Dioxide C. Nitrogen D. Oxygen