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






2. The shadow behind the Earth or Moon where the Sun is partially obscured.






3. Titan






4. A term referring to the orbital character of stars near the Sun






5. The sinking of denser elements to the center of a young molten planet






6. Saturn






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






8. A rock or iron specimen that has fallen from space






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






10. An element of a highly efficient - two-dimensional electronic light detector






11. The high- temperatature outer layer of the sun






12. What causes the zones and belts on jupiter and saturn?






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






14. 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.






15. 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.






16. The cosmological principle is the assumption that the universe is isotropic and homogeneous.The Big Bang assumes it to be a correct principle so that what we observe is exactly like What is too far away to be observed.






17. A streak of light in the atmosphere






18. A plot of star absolute magnitude verses spectral type.






19. Radiation emitted when charged particles spiral rapidly in a magnetic field. come off of jets from black holes.






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






21. The final end state of a high mass star. .An entity for which gravity has completely overwhelmed all other forces of nature.






22. 1. We see rapid movements or high energy radiation coming at some level from the nuclei of nearly every galaxy we have looked at. 2. We suspect that the creation of these supermassive black holes is part of the galaxy formation process.






23. A force exerted by reflecting sunlight






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






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






26. The oldest terrain on the moon






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






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






29. Collections of young - hot stars






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






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






32. Light scattered through the atmosphere that degrades astronomical images






33. What is the universe expanding into?






34. Half of the longest diameter across an ellipse






35. The distance between a lens and its focal plane






36. 10 cm -> 1 mm






37. 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






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






39. A change in the wavelength of light caused by a motion between the observer and light (or wave) source (blue shift if getting closer - red shift if moving away)






40. The Greek philosopher responsible for making the stellar magnitude scale.






41. The organized effort to find life elsewhere in the universe. (Search for Extra-Terrestrial Intelligence)






42. A planet that is closer to the sun than the earth






43. Matter that reveals itself only through its gravitational attraction






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






45. 1μm 100 nm






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






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






48. A planet that is farther from the sun than the Earth is






49. Small moons that maintain the shape of rings around Saturn and Uranus






50. The equation that describes how matter equates with energy







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Can you answer 50 questions in 15 minutes?


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