Copyright
CSET Science Subtest II Earth and Space Sciences (219): Test Prep & Study Guide  /  Science Courses

Test Prep Plan - Take a practice test

Take this practice test to check your existing knowledge of the course material. We'll review your answers and create a Test Prep Plan for you based on your results.
How Test Prep Plans work
1
Answer 50 questions
Test your existing knowledge.
2
View your test results
Based on your results, we'll create a customized Test Prep Plan just for you!
3
Study smarter
Study more effectively: skip concepts you already know and focus on what you still need to learn.

Understanding Stars, Solar Systems & Galaxies 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. What is cosmic background radiation?

Question 2 2. When did the Big Bang theory first originate and with whom?

Question 3 3. What spectral classification of star is the most common?

Question 4 4. What spectral classification is the least common?

Question 5 5. What do astronomers believe about all the structures of the cosmos we see today?

Page 2

Question 6 6. Which type of galaxy do astronomers believe is very evolved?

Question 7 7. What is the name for the cloud of interstellar gas and dust that condensed to form the entire solar system, including the sun and planets?

Question 8 8. The theory that posits that the planets and sun in the solar system formed from the solar nebula is called the:

Question 9 9. Which of the following scientists initiated the formulation of the Big Bang Theory?

Question 10 10. Who was responsible for the phrase 'the Big Bang'?

Page 3

Question 11 11. This is the stage of the universe's development where radiant energy would have had a much larger density than that of matter:

Question 12 12. The recombination epoch is also known as the:

Question 13 13. Planetary migration started due to resonance between which two planets?

Question 14 14. Which of the following is the most widely accepted hypothesis for the cause of the Late Heavy Bombardment?

Question 15 15. What happens when the sun runs out of fuel?

Page 4

Question 16 16. Into which of the following life cycles will our sun enter next?

Question 17 17. Which telescope(s) collect(s) short wavelengths of light?

Question 18 18. Which type of telescope is used by the Hubble Space Telescope?

Question 19 19. The time it takes for half the atoms of a radioactive sample to decay is known as a:

Question 20 20. These are variations of an element that have the same number of protons but different numbers of neutrons.

Page 5

Question 21 21. A supernova is:

Question 22 22. What happens if the original star was so big that after the supernova, even the neutrons don't survive?

Question 23 23. In a hydrogen bomb, the fusion process is triggered by a nuclear fission reaction. What is the difference between nuclear fusion and nuclear fission?

Question 24 24. The majority of nuclear fusion occurring in our Sun has two hydrogen atoms fusing together to form a helium-4 atom. What is this process known as?

Question 25 25. What is a singularity?

Page 6

Question 26 26. What is the spectral order of stars from hottest to coolest?

Question 27 27. In which type of galaxy are the stars in random orbit instead of rotating?

Question 28 28. This is the hypothesis that states that our solar system formed thanks to a sudden and improbable event such as the collision of two stars:

Question 29 29. The Big Bang is argued to have occurred sometime between:

Question 30 30. This is the stage in the development of the universe that marks the end of the dark age and the beginning of the age of stars and galaxies:

Understanding Stars, Solar Systems & Galaxies 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!

Support