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 11 or 22 period on the sun durin which sunspots increase - decrease - change polarity - increase and decrease again.






2. The final end state of an intermediate to high mass star. An entity in which all the electrons have been pushed into the protons.






3. A very low mass particle formed in solar fusion reactions that reacts only weakly with matter






4. The point where a superior planet is as far away from the sun as it can be (as seen from the Earth)






5. The final end state of an intermediate to high mass star. An entity in which all the electrons have been pushed into the protons.






6. A large and bright but cool star.






7. A streak of light in the atmosphere






8. The most mass a white dwarf can have before collapsing to a neutron star






9. 30AU to 50Au from sun - consists of ancietn premordial objects made of frozen ice and dust-35000 objects or more that are larger than 100 km in diameter and many more smaller than this






10. Relativity predicts that nothing can travel faster than the speed of light in a vacuum - How can it move slower?






11. A change in the appearance of the sun at the edge of the solar disk






12. Possible Fates of the Universe






13. A collection of comets in the plane of the solar system - located beyond the orbit of Pluto






14. Mercury and venus






15. The rotation period of the Earth measured relative to the stars.






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






17. Titan






18. The apparent magnitude a star would have if it were at a distance of 10 parsecs.






19. Where is the center of the expansion






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






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

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22. A word used in astronomy to describe all elements besides hydrogen and helium






23. In what chemical form are jupiters nitrogen - carbon and oxygen?






24. All possible types of energy that can be emitted and absorbed by atoms.






25. A small spherical dark nebula






26. The apparent path of the Sun through the stars on the celestial sphere.






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






28. When the Sun is farthest north of the celestial equator (about June 22)






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






30. A measure of how an object resists accelerating when acted upon by a force. It is proportional the amount of matter in an object






31. Jupiter






32. Largest moon in solar system - two differenet types of terrain - darker terrain is older - NOT ACTIVE SURFACE






33. The instant of time after the Big Bang when space and time obtained their characteristics. (t=10^-43 sec when gravity freezes out-instant when gravity started existing as a separate force)






34. The apparent path of the Sun through the stars on the celestial sphere.






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






36. In a CLOSED UNIVERSE - the curvature of space-time is _________. Parallel beams will converge/diverge/remain parallel (circle one). The density parameter - Ω0 - is _____.






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






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






39. Light scattered through the atmosphere that degrades astronomical images






40. Saturn






41. Dark - reddish - low-pressure bands in Jupiter's atmosphere






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






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






44. Formed from slow rotating clouds - collapsed quicker - initial star formation rate is high but died out - older - little rotation - look redder






45. In Ptolemy's geocentric solar system - the small circle on which a planet moved.






46. The seasonal shifting of a nearby star's position relative to more distant objects.






47. 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






48. A faint - remarkably uniform distribution of radiation in space






49. Mercury






50. The law stating that hotter blackbodies look bluer than cooler blackbodies.

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