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MTLE Middle Level Science: Components & Evolution of Earth Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. When limestone undergoes metamorphism to become marble, the size of the crystals change, but the composition remains unchanged. This is an example of which metamorphic process?

Question 2 2. What is another name for a rift valley?

Question 3 3. What is a small elevated land form that rises from the depths of the ocean?

Question 4 4. Bacteria grown on media containing carbon-14 will incorporate radioactivity into what main cell component?

Question 5 5. How are fold mountains formed?

Page 2

Question 6 6. A recent headline indicated that an entire fossil of a prehistoric species of cat was discovered frozen in an ice sheet. What type of fossil is this?

Question 7 7. What can happen to an igneous rock after it is formed?

Question 8 8. Which process creates a lava plateau?

Question 9 9. The Earth was under continuous bombardment by meteorites and comets as it formed and continued to take shape. What was the significance of comets hitting the Earth during that time?

Question 10 10. Which theory explains the dynamics of the earth's surface resulting from the interaction of overlying rigid plates with the underlying mantle?

Page 3

Question 11 11. Which of the following is NOT found inside a volcano?

Question 12 12. As you dig in sediment, you uncover fossilized feces of an organism that once lived. What type of fossil is this?

Question 13 13. An oceanographic team is exploring an area underwater and locates a submerged volcanic mountain with a top that is very flat. What term would be used to describe this structure?

Question 14 14. If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock's composition?

Question 15 15. Mount St. Helens in Washington state is known for its massive volcanic eruption that occurred in 1980. The eruption reduced the elevation of the mountain from 9,677 feet to 8,363 feet and left a mile wide horseshoe-shaped crater where the mountain stood. How would a volcanologist classify this structure?

Page 4

Question 16 16. Which of the following is NOT an influencing factor that transforms pre-existing rocks into metamorphic rocks?

Question 17 17. Radioactive isotopes are

Question 18 18. Which metamorphic process results in the formation of new minerals?

Question 19 19. The term 'rock strata' refers to _____.

Question 20 20. A volcano erupts, projecting highly gelatinous lava through a volcanic vent. What type of volcanic landform could be created by this event?

Page 5

Question 21 21. What forces create a rift valley?

Question 22 22. Fossils can be found for which of the following life forms?

Question 23 23. What is it called when tectonic plates are splitting apart under the ocean like the Mid-Atlantic ridge?

Question 24 24. Which of the following statements is FALSE?

Question 25 25. Which of the following describes the process of subduction?

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Question 26 26. Petrified fossils are formed when empty pores of organisms fill with _______.

Question 27 27. Isotopes of an element contain

Question 28 28. Which metamorphic process is at work when shale that contains clay minerals changes into garnet?

Question 29 29. Bacteria grown on media containing phosphorus-32 will incorporate radioactivity into what main cell component?

Question 30 30. If you found a rock that appeared to have been formed directly from volcanic activity, how would you classify it?

MTLE Middle Level Science: Components & Evolution of Earth Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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