Test your basic knowledge |

CSET Astronomy

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Clouds of gas and dust that form stars






2. When the moon and the sun are on the opposite sides of the earth






3. Form of galaxy that looks like a spiral with a bulge n the middle; like the Milky Way






4. Galaxies shaped like round or flattened spheres






5. Also known as the dwarf planet and was demoted from being an official planet in 2002






6. A region that is so dense that it will trap stuff in it forever. It is started either by the death of a large star or when millions of matter clump together






7. Planets that are made of gas clouds like Jupiter






8. Clumps of ice and dust that orbit the sun






9. The period from one full moon to another full moon






10. The first day of fall because the earth's axis is perpendicular to the sun's rays






11. The idea that the universe appeared without a beginning






12. The longest day of the season because the northern hemisphere is pointed directly at the sun






13. Waves that are moving closer to the Earth have shorter wavelengths






14. The way that the earth is split in 24 ways which run north - south because the earth spins at 15 degrees per hour






15. Phenomenon when the moon passes over the sun and the earth






16. Red planet that has a lot of iron on it and has the tallest mountain in the solar system: the Olympus Mons






17. A group of planets that includes Earth that started out as a large gas cloud






18. Gas giant that is very bluish and named after the Roman God of the sea and has a stormy gray dark spot






19. The arm that the Earth is a part of






20. Has 200 to 400 billion stars in its galaxy - including the Sun






21. Areas at the outer edge of the solar system where small bodies of comets are thought to have originated






22. A large chunk of rock that revolves around the Sun and is part of a large belt between Mars and Jupiter






23. Neutron stars that spin rapidly and release radio waves






24. Change in frequency of a wave for an observer moving relative to the source of the wave.






25. Strange dark patches found on the sun that are caused by the sun's electromagnetic field






26. The sun's atmosphere






27. A baby star






28. Super dense stars that are as massive as the sun but twice as small






29. The time zone at 0 degrees longitude on the Earth






30. The shortest day of the season because the northern hemisphere is pointed farthest away from the sun






31. A star's core dies out by collapsing until it forms a tiny area of infinite density






32. The first day of spring because the earth's axis is perpendicular to the sun's rays






33. The inside of the Sun - which is 14 million degrees Celsius






34. Galaxies that are shaped like discs and contain middle aged stars and a moderate amount of gas and dust






35. The lifeline of a star






36. Planets that are made from hunks of rock like Earth






37. Enormous jets of gas that shoot out of thes un






38. The planet that is the closest to the sun. It has a hot side and a cold side






39. Process in which a star dies by explosion






40. The surface of the Sun - which is close to 6000 degrees Celsius






41. Objects moving farther from the Earth have a longer wavelength






42. Our home planet - which has the right amount of atmosphere to support life






43. Small gas giant with gray rings and 25 moons on it






44. Stars that are preparing to die when they run out of hydrogen in their core by blowing up bigger than their size as the surface cools down






45. The dark spots on the moons






46. Result of a collapsed star or collapsed group of stars that light cannot escape






47. A star with a heavy mass dies by combining its protons and electrons into neutrons






48. Gigantic gas giant that has large rings and 45 moons orbiting it






49. The largest planet that is also a gas giant and has a permanent storm on its surface known as the Big Red Spot






50. Planet referred to as Earth's sister because it is the same size as Earth; contains a lot of sulfuric acid