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AEPA Earth Science (AZ045): Practice & Study Guide  /  Science Courses

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Rocks & Minerals 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. Layers of halite lay on top of gypsum on the floor of the Mediterranean Sea. What causes halite to be on top?

Question 2 2. Which of the following is NOT a non-silicate mineral?

Question 3 3. What were limestone deposits in Kansas made from?

Question 4 4. If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock's composition?

Question 5 5. Rocks that are transformed into different rocks under intense heat and pressure are known as _____.

Page 2

Question 6 6. If you found a rock that appeared to have been formed directly from volcanic activity, how would you classify it?

Question 7 7. Which of the following is a key difference between detrital and chemical sedimentary rocks?

Question 8 8. When a parent rock is changed due to high pressure or temperature, which type of rock is formed?

Question 9 9. David is analyzing a rock. He knows that it was revealed by erosion and he can see large crystal structures through the magnifying glass. Which kind of rock is David analyzing?

Question 10 10. Why does gold have a specific gravity greater than that of galena?

Page 3

Question 11 11. Consider a specimen that has a mass of 20 grams. Calculate its specific gravity if the same volume of water has a mass of 5 grams.

Question 12 12. Which of the following minerals has the greatest density?

Question 13 13. What type of fracture does quartz exhibit?

Question 14 14. Which of the following statements about Mohs scale of relative hardness is accurate?

Question 15 15. Which type of tenacity refers to the ability of a mineral to resume its original form when a stress is removed?

Page 4

Question 16 16. Most silicate minerals are formed from _____.

Question 17 17. Which of the following minerals is composed of sheeted tetrahedra?

Question 18 18.

Silicate X has a three-dimensional arrangement of tetrahedra. It is part of a group that can be held together by various cations and is named for the specific cation present. Silicate X is an example of a/an _____.

Identify X.

Question 19 19. Consider a diamond that has flat facets and sharp edges. Which of the following terms would describe this type of crystal?

Question 20 20. Hematite has the appearance of a cluster of grapes. Which type of habit does this represent?

Page 5

Question 21 21. Iron pyrite is sometimes referred to as fool's gold. It has a cubic shape. What type of crystal habit is this?

Question 22 22. Minerals that are impenetrable to light are referred to as _____.

Question 23 23. Why is color generally not a good diagnostic property for identifying minerals?

Question 24 24. The appearance of a mineral in its powdered form that can also be used to distinguish it from another mineral is referred to as the mineral's _____.

Question 25 25. Which of the following is NOT a rock?

Page 6

Question 26 26. Which of the following statements regarding granite is true?

Question 27 27. Which statement correctly explains how rocks are classified?

Question 28 28. What is the non-silicate mineral that comprises the bulk of limestone?

Question 29 29. What can happen to an igneous rock after it is formed?

Question 30 30. On a school trip, Jenny learned about a gigantic volcanic eruption and saw some of the rocks it formed. Which kind of rocks did she see?

Rocks & Minerals 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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