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. Long - meandering cliff formed when a planet surface cools and shrinks






2. A continuous spectrum of light missing energy at a few wave lengths.






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






4. Heavier elements such as iron - silicon - magnesium - sulfer - nickel






5. The equation that describes how matter equates with energy






6. Jupiter






7. A quantity measuring the stability of the Earth's atmosphere






8. A star without enough mass to begin hydrogen fusion






9. Sa - Sb galaxies where two magnificent arms wind their way from nucleus out in a symmetrical manner.






10. The distance between a lens and its focal plane






11. Atmosphere blocks high energy wavelengths - atmosphere blurs optical radiation - atmosphere absorbs some radiation at all wavelengths even when it gets through.






12. A high-pressure bulge in Neptune's southern hemisphere






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






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






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






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






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






18. The gap inthe outer portion of Saturn's A ring






19. The process of acquiring material






20. Any change in the speed or direction of an object's motion






21. In a FLAT UNIVERSE(our universe) - the curvature of space-time is ________. Parallel beams will converge/diverge/remain parallel (circle one). The density parameter - Ω0 - is _____.






22. A nearby galaxy with a quasar-like nucleus. closer but less bright than quasars-weaker






23. Latin for 'cloud'. A word used to describe the collections of gas and dust in the Milky Way and other galaxies






24. An object that may remain after a star explodes






25. Poitns of gravitational stability in the orbit of a planet






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






27. A large and bright but cool star.






28. The rate of expansion of the universe.






29. A distance measure determined by the shifting of a star against the background sky every 6 months.






30. An energetic event taking place in the early universe






31. The rotation period of the Earth measured relative to the Sun.






32. The mirror that gathers the light in a reflector






33. An important quality of telescopes that increases as the square of the primary mirror or objective lens






34. A toroidal or donut-shaped collection of material attracted to a central body like a star or black hole. Dust around an object






35. Ganymede and Titan






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






37. A technique using computer-controlled mirrors to sharpen images distorted by the atmosphere






38. Saturn






39. The equation that describes how matter equates with energy






40. The name for the only seriously considered theory of the universe.






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






42. 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






43. A star that erratically and explosively brightens and dims






44. The fusion process that turns three helium nuclei into a carbon nucleus






45. Centered on the sun.






46. A crystalline patter found in iron meteorites






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






48. The oldest part of the Milky Way






49. A term referring to Jupiter-like planets






50. Venus







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Can you answer 50 questions in 15 minutes?


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