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MEGA Earth Science: Minerals & Rocks 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!

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Question 1 1. Siltstone is a secondary rock formed from particles of weathered rock accumulating and becoming compact. Which of the following categories does this type of rock best fit into?

Question 2 2. In magmatic differentiation, why do the crystals that have solidified within the magma tend to sink?

Question 3 3. Why are some drill bits tipped with diamonds?

Question 4 4. What were limestone deposits in Kansas made from?

Question 5 5. How is the olivine group of silicates different from quartz?

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Question 6 6. 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 7 7. Which of the following is NOT a non-silicate mineral?

Question 8 8. Hematite has the appearance of a cluster of grapes. Which type of habit does this represent?

Question 9 9. If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock's composition?

Question 10 10. Gold has a shiny appearance and is said to have a _____ luster.

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Question 11 11. 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?

Question 12 12. 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 13 13. Which of the following minerals has the greatest density?

Question 14 14. Metallic minerals that can be hammered into different shapes are _____.

Question 15 15. How are rocks and minerals similar?

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Question 16 16. Consider kyanite which is an elongated and flattened crystal. What type of crystal habit is this?

Question 17 17. Iron pyrite is sometimes referred to as fool's gold. It has a cubic shape. What type of crystal habit is this?

Question 18 18. Identify the building block of silicate minerals.

Question 19 19. Which of the following units are used in expressions of mineral density?

Question 20 20. What is another name for halite?

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Question 21 21. Which of the following substances is inorganic?

Question 22 22. Consider a sample with a mass of 250 grams. Calculate the density of the sample if it displaces 100 cc of water.

Question 23 23. Which of the following is NOT a rock?

Question 24 24. Consider a diamond that has flat facets and sharp edges. Which of the following terms would describe this type of crystal?

Question 25 25. Which of the following is a key difference between detrital and chemical sedimentary rocks?

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Question 26 26. Rocks that are transformed into different rocks under intense heat and pressure are known as _____.

Question 27 27. What term is used to refer to the macroscopic appearance of a crystal?

Question 28 28. 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 29 29. How does the definition of a mineral differ between a miner and a geologist?

Question 30 30. Which of the following terms is defined as the process that explains how different igneous rocks can form from a single magma melt?

MEGA Earth Science: Minerals & Rocks 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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