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Igneous 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. Which of the following is the general term used to describe rocks made from the cooling and solidifying of molten rock?

Question 2 2. What makes magma different from lava?

Question 3 3. Which of the following light-colored rocks contain a lot of feldspar and quartz?

Question 4 4. Which of the following is a FALSE statement about phaneritic rocks?

Question 5 5. Based on the geothermal gradient, what is the approximate temperature of the mantle 10 kilometers below the surface?

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Question 6 6. What is another name for intrusive igneous rock?

Question 7 7. In magmatic differentiation, why do the crystals that have solidified within the magma tend to sink?

Question 8 8. Which of the following rocks contain mainly magnesium and iron, with very little silica?

Question 9 9. Identify the correct statement about magma.

Question 10 10. Which of the following terms is used to describe sheet-like plutons that form in cracks of existing rocks and cut across pre-existing structures?

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Question 11 11. Which of the following minerals in the continuous series of Bowen's Reaction Series forms at the highest temperature?

Question 12 12. The texture of igneous rocks will depend greatly on:

Question 13 13. Which of the following statements concerning tectonic plates is FALSE?

Question 14 14. Which of these statements is correct?

Question 15 15. What can happen in areas where tectonic plates diverge?

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Question 16 16. The temperature at which a rock melts is NOT affected by _____.

Question 17 17. Which of the terms below is used to describe rocks made from the cooling and solidifying of magma?

Question 18 18. Which of the following statements concerning igneous rocks is NOT true?

Question 19 19. Which of the following rocks are formed when lava cools and solidifies on the earth's surface?

Question 20 20. Which of the following terms is defined as the process that explains how different igneous rocks can form from a single magma melt?

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Question 21 21. Granite forms when magma cools under high pressure, making it an example of _____.

Question 22 22. What is the name of the theory that states that the earth's crust is broken up into plates?

Question 23 23. Which of the following terms is used to describe an area where one tectonic plate is pushed under another plate?

Question 24 24. What is the order of minerals formed in the discontinuous series of Bowen's Reaction Series as the temperature drops?

Question 25 25. Which of the following minerals would be found abundantly in mafic rocks?

Igneous 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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