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The Sun's Structure, Energy and Cycle 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. The boundary where the solar wind merges into the interstellar gas is called:

Question 2 2. The generation of a magnetic field by a rotating and convecting body of electrically conducting matter is called:

Question 3 3. Solar flares and coronal mass ejections can:

Question 4 4. The ___the magnetic field, the __the separation of the split lines.

Question 5 5. The area inside a star, like the sun, where energy flows outwards as photons:

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Question 6 6. The study of the sun's interior by way of analysis of its vibrations is called:

Question 7 7. The time when there are larger amounts of sunspots is known as the:

Question 8 8. Which of these is not correct regarding a prominence?

Question 9 9. The jets of gas shooting up in the chromosphere are called:

Question 10 10. The sun's surface temperature is equal to:

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Question 11 11. Telescopes specially designed to take photographs of the inner corona are called:

Question 12 12. The solar corona is:

Question 13 13. The darker regions of the solar corona (coronal holes) are __than the brighter regions:

Question 14 14. Ionized gas made of freely moving positively charged ions and negatively charged electrons is technically called:

Question 15 15. The splitting of a spectral line emitted by an atom into two or more separate lines due to the presence of a magnetic field:

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Question 16 16. The sun's radius is around:

Question 17 17. Helioseismology has namely helped astronomers understand the:

Question 18 18. This is a sudden, brief (typically lasting only a few minutes), and explosive release of solar magnetic energy:

Question 19 19. A mode of oscillation is:

Question 20 20. From the photosphere, energy is ___out into space in the form of ___~

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Question 21 21. The reason the sun appears orange-yellow during a sunrise or sunset is:

Question 22 22. The true color of our sun is:

Question 23 23. In the deepest reaches of the sun, the photons you're most likely to encounter are in the form of:

Question 24 24. A photograph of the sun made using light of a specific region of the spectrum is known as a:

Question 25 25. The solar cycle lasts:

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Question 26 26. This is a regular increase and decrease in the number of spots on the sun:

Question 27 27. The solar atmosphere is composed of:

Question 28 28. At the end of one half of the solar cycle, at the sunspot minimum, we expect:

Question 29 29. This is a transparent object that can disperse light into a spectrum:

Question 30 30. The sun is sometimes called a:

The Sun's Structure, Energy and Cycle 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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