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. Moon in less than the angular diameter of the Sun.






2. Then the Sun moves from north to south across the celestial equator (about September 23)






3. Form honeycomb like patterns surrounding empty or nearly empty voids.






4. A collection of galaxies like the one the Milky Way belongs to






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






6. When a planet lines up with the sun inthe sky






7. The crust of a meteorite caused by its entry into Earth's atmosphere






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






9. A large - irregularly shaped rocky object orbiting the sun mostly between mars and jupiter. Left-over planetesimals






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






11. A star that is in the process of forming. It glows from gravitational contraction






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






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






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






15. Mercury - Venus - Earth - Mars






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






17. The movement of the Earth's crustal plates riding on top of the mantle.






18. A word meaning 'the same everywhere throughout.'






19. Mercury - Venus - Earth - Mars






20. A huge sphere of tenuous gas surrounding the nucleus of a comet






21. A subatomic particle with a negative charge. It creates light.






22. The normal eastward movement of a planet against the background of hte distant stars.






23. Old - pock marked - icy surface - interior is not differentiated - geologically dead - NOT ACTIVE SURFACE






24. A fusion process in which a carbon atom transmutes to oxygen and back - creating a helium atom in the process






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






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






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






28. A method of finding a star's distance from its absolute magnitude and spectral type or color.






29. A particle of light






30. What do we think the actual fate of the universe will be and why do we think this?






31. When a planet lines up with the sun inthe sky






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






33. The lowest energy of an atom.






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

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35. Europa






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

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37. Approximate speed of light in a vacuum






38. The location of a supermassive black hole






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






40. Matter so dense that even light cannot escape its gravity






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






42. Norhern lowlands- darker in color and have far fewer craters as if an ancient sea or ice field covered them. southern highlands- much higher in density of craters.






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






44. Jupiter






45. An energetic event taking place in the early universe






46. Ancient stream channels - flood planes - and sedimentary-type rock. Frozen water is found in the polar ice caps and in the soil.






47. Light scattered through the atmosphere that degrades astronomical images






48. In an OPEN UNIVERSE - the curvature of space-time is ____ - Parallel beams will converge/diverge/remain parallel (circle one). The density parameter - Ω0 - is____.






49. Titan






50. Ganymede and Titan