Test your basic knowledge |

Subject : 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. The point directly overhead.






2. The process of acquiring material






3. The gap inthe outer portion of Saturn's A ring






4. The lens in a telescope used to determine the magnification






5. If stars have diff orbital periods - than any arms formed by stars will wind into a tight spiral pattern (billion yrs or so)






6. Hydrogen and helium (mainly)






7. A term referring to Jupiter-like planets






8. The measure of a variable star's apparent magnitude as it brightens and dims with time






9. The temp at which a substance in the vacuum of space solidifies






10. The mirror that gathers the light in a reflector






11. Dying large-mass stars lose their outer layers in a violent explosion creating large - chaotic remnants. these brighten like nova but are so much brighter and only occur ONCE PER STAR






12. The philosophical stand that says a simpler explanation is more likely to be correct than a complicated one.

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13. Small compact stars called white dwarfs can have material deposited on their surfaces. In time material heats up and explodes in surface nuclear reaction- star brightens - settles - repeats.






14. The act of removing an electron from an atom.






15. Places in the asteroid belt - caused by resonance with Jupiter - where there are no asteroids






16. Hurricane-like vortex in southern-hemisphere winds to north and south blow in opposite directions which keep it spinning and with no subsurface features like mountians it persists.






17. Plate tectonics due to thickness of crust and maintain their general form when they collide-where most volcanoes are.






18. Elliptical orbits that come inside orbit of the Earth.






19. A spectrum of light with energy at only a few wavelengths.






20. Stars fromt he Halo that have drifted into the disk. as earth zooms past them in a faster orbit they appear to be going backward very fast






21. When material is heated and moves taking the heat energy with it






22. The part of the Milky way that has on-going star formation






23. As open clusters age - they push gas away but dust remains this can reflect light giving the cluster a blue-ish color. also called reflection nebula






24. The material from which the solar system formed






25. A star that has become a red giant for the second and final time. It is burning helium to carbon in a shell surrounding the core






26. The powdered stone fragments that make up the lunar 'soil'






27. Neptune or uranus






28. The shadow area behind the Earth or Moon where the Sun is completely obscured.






29. Radiation given off by electrons accelerating in a magnetic field






30. 10 nm 10^2 nm






31. Europa






32. A nearby galaxy with a quasar-like nucleus. closer but less bright than quasars-weaker






33. How is the Hubble Law consistent with an expanding universe?






34. The distance between a lens and its focal plane






35. A long-lived high-pressure bulge in Jupiter's southern hemisphere






36. The nuclei of very distant galaxies. Likely a manifestation of supermassive black holes






37. A measure of the force of gravity on an object






38. Disk dust grains are made of all the elements that are not in gaseous form in space which blocks starlight and causes interstellar extinction






39. The organization of clusters of galaxies into sheets and strings






40. Jupiter






41. Massive compact halo objects (MACHO) - weakly interacting massive particles (WIMPY's)






42. Mercury and venus






43. When one side of a body always faces the planet it revolves around






44. Mercury






45. A small round distribution of gas surrounding a dying star






46. A spherical shell of comets that orbit the sun at a great distance (roughly two light years from the sun)






47. Dying small mass stars lose their outer layers in a relatively gentle way - creating a round or bipolar nebula about the star (round like planets)






48. The study of the universe as a whole.






49. A quantity measuring the stability of the Earth's atmosphere






50. Dying small mass stars lose their outer layers in a relatively gentle way - creating a round or bipolar nebula about the star (round like planets)







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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