Copyright

Solar System: Components & Facts 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. According to the International Astronomical Union (IAU), how many criteria are there for official planetary status?

Question 2 2. Where do terrestrial planets typically form?

Question 3 3. Why is Pluto no longer considered a planet?

Question 4 4. How many gas giants are in our Solar System?

Question 5 5. What is the wobbling of the earth like a spinning top called?

Page 2

Question 6 6. How much of the moon is lit up by the sun at any given time?

Question 7 7. Why is the solar wind not dangerous to us?

Question 8 8. Which of the following orbital descriptions is correct?

Question 9 9.

Which factors contribute to the twinkling of a star?

I. Atmospheric turbulence

II. The various density layers of our atmosphere

III. Changes in temperature and moisture content of our atmosphere

Question 10 10. Which of the following is correct?

Page 3

Question 11 11. What is twinkling?

Question 12 12. What's the scientific term for twinkling?

Question 13 13. When you compare the positions of objects in the sky at the same time each night (10pm, for example), which of the following groups of objects moves west to east most of the time, but very occasionally moves east to west?

Question 14 14. Do the stars move relative to EACH OTHER in the sky over time?

Question 15 15. When you compare the positions of objects in the sky at the same time each night (10 pm, for example), which of the following groups of objects moves east to west about half the time, and west to east the other half?

Page 4

Question 16 16. What is retrograde motion?

Question 17 17. Rank these star colors from hottest to coolest.

Question 18 18. What begins at the moment a star is born?

Question 19 19. How many official constellations are there?

Question 20 20. Where are most of the stars located on a Hertzsprung-Russell diagram?

Page 5

Question 21 21. The terrestrial planets do not include:

Question 22 22. A _____ is an object that may one day become a _____ if it survives its journey through Earth's atmosphere:

Question 23 23. This is a small icy body that orbits in the solar system and develops a tail of gas as it approaches the sun:

Question 24 24. The order of the planets, starting with the nearest ones to the sun are:

Question 25 25. Our solar system's biggest planet is:

Page 6

Question 26 26. Our solar system is:

Question 27 27. The universe is:

Question 28 28. The universe is mainly made of:

Question 29 29. What type of disk is important for planet formation?

Question 30 30. What causes the tides?

Solar System: Components & Facts 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!

Praxis Elementary Education - Content Knowledge (5018): Study Guide & Test Prep  /  English Courses
Support