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






2. A point in the sky where meteors appear to come from during a shower






3. The gap etween saturn's A and B rings






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






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






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






7. The lowest energy of an atom.






8. The number of protons in an atom.






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






10. When the Moon entirely blocks the Sun.






11. First accurately measured the speed of light in a vacuum






12. The science of measuring light energy by wavelength.






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






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






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






16. Young clusters in disk are irregularly shaped since they have no time to relax into the rounder relaxed shape of globular clusters-will constantly be torn apart and assimilated.






17. What Ole Roemer used to measure the speed of light in a vacuum






18. A galaxy sending out a stream of material from its nucleus






19. Venus






20. Comglomerates of ice and rock that orbit the sun in highly elliptical paths






21. Saying that the sky should not get dark at night because all lines of sight end on a star meaning that the night sky should be ablaze BUT the big bang - because the universe had a beginning - says that the sky gets dark because out in space - galaxie

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22. We can infer the absolute magnitude of pulsating variable stars by measuring their pulsation periods. The longer the pulsations - the greater their luminosities. We then again measure their apparent magnitudes - compare it with their absolute magnitu






23. A star that blows itself apart






24. The amount an image is enlarged by a telescope






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






26. The ratio of the actual density of the universe to the critical density. (actual density divided by the critical density






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






28. Cold aggregates of gas - large and contain a huge amount of matter - so cold that molecules stick together to form molecules.






29. Venus






30. Matter that reveals itself only through its gravitational attraction






31. Mercury






32. The state of having a balance between inflowing and outflowing heat-- the temp at every radial point is different but constant






33. The process of acquiring material






34. The telescope configuration that has the focus placed at the back of the primary mirror






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






36. The process of acquiring material






37. First accurately measured the speed of light in a vacuum






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






39. Star speed at outer edge of galaxy should begin to diminish - but they dont so we guess that this means there is increasing force (aka dark matter)






40. The location of a supermassive black hole






41. The science of measuring light energy by wavelength.






42. The distance a moon can be from a planet before shattering from tidal forces






43. Jupiter






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






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






46. How did Earth come to have an oxygen rich atmosphere?






47. The elementary building blocks from which protons and neutrons are formed.






48. Where is the center of the expansion






49. A logarithmically scaled value for the measured brightness of a star.






50. The distance a moon can be from a planet before shattering from tidal forces