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. Material that shoots rapidly out into space. Flares cause Auroras






2. Light scattered through the atmosphere that degrades astronomical images






3. Venus






4. The process similar to conduction by which energy moves from the solar core to the convective layer






5. A bridge of material held in position above the solar surface. They can remain for hours even days






6. Flat disk with gas - dust - H2 regions - molecular clouds - dust young stars and remnants of old planetary nebula and supernova remnants. stars spin together with similar velocities called differential rotation






7. Jupiter






8. Galaxies whose nuclei emit jets of materil at high speeds. material comes from supermassive black holes






9. A star that is burning hydrogen to helium in a shell surrounding it's core






10. The process of acquiring material






11. The point in its orbit where a planet is nearest the sun






12. The 'edge' of the universe. Light beyond this has not reached us yet.






13. The study of the universe as a whole.






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






15. A repeated - periodic push or pull capable of summing into a larger push or pull






16. The rotation of a star or planet at different speeds at its equator and poles






17. Why does the earth have few craters while the moon has many?






18. The wavelengths where a specific element can absorb or emit light.






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






20. Jupiter






21. The point directly overhead.






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






23. A fusion process in which protons build together to form helium






24. The entity from which the whole universe is postulated to have come from.






25. A phenomenon seen when the Earth passes through the orbit of a burned out comet






26. Saturn






27. Consists of old red stars in slow orbits that plunge through disk and bulge. about 1% are old - round globular clusters.






28. A push or a pull






29. A perfect absorber and radiator of electromagnetic radiation.






30. Jupiter - Saturn - Uranus - Neptune






31. The material from which the solar system formed






32. Why does the earth have few craters while the moon has many?






33. A very distant - star-like object with huge - broad emission lines. Probably the nucleus of a distant active galaxy.






34. A particle of light






35. The line on an H-are diagram going from upper left to lower right where normal stars of different masses reside.






36. Hydrogen and helium (mainly)






37. Light scattered through the atmosphere that degrades astronomical images






38. An evolved star - past the helium flash that is burning helium to carbon in it's cores






39. The trapping of heat by carbon dioxide or other gases in the Earth's atmosphere.






40. An entity that is likely in the nucleus of most - if not all - galaxies.






41. Finding a star's absolute magnitude from it's placement on an HR diagram. After finding the absolute magnitude - we measure the apparent magnitude - for a distance modulus and use this to find the distance. This method is good for finding distances t






42. A representation of the changes in color and brightness of an evolving protostar.






43. The process responsible for creating the arms of flocculent spiral galaxies






44. The law that predicts the possible types of spectra.

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45. When massive objects bend space and time enough to create multiple images of an object located behind them






46. Possible Fates of the Universe






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






48. A phenomenon seen when the Earth passes through the orbit of a burned out comet






49. A cool collection of gas and dust silhouetted against a brighter background of stars and/or gas






50. Europa







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Can you answer 50 questions in 15 minutes?


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