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. Venus (retrograde)






2. The distance between a lens and its focal plane






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






4. Venus (retrograde)






5. Mercury - Venus - Earth - Mars






6. The lens in a telescope used to determine the magnification






7. A streak of light in the atmosphere






8. VENUS






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






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






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






12. Milky way galaxy is a member - a small poor cluster-about 30 galaxies






13. The amount an image is enlarged by a telescope






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






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






16. Radiation given off by electrons accelerating in a magnetic field






17. A particle of light.






18. When the Moon entirely blocks the Sun.






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






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






21. A phenomenon seen when the Earth passes through the orbit of a burned out comet






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






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






24. The dark - relativley smooth areas on the moon; Latin for sea






25. A large and bright but cool star.






26. A star that blows itself apart






27. When massive objects bend space and time enough to create multiple images of an object located behind them






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






29. The number of protons in an atom.






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






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






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






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






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






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






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






37. A spinning neutron star






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






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






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






41. Venus






42. The amount of density needed to stop the universe from expanding and to begin the big crunch represented by Pc






43. The relation that tells how light dims with distance.






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






45. Finding a star's absolute magnitude from it's placement on an HR diagram. After finding the absolute magnitude - we measure the apparent magnitude - for a distance modulus and use this to find the distance. This method is good for finding distances t






46. 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.






47. 1-orbit aroudn the sun 2- are in hydrostatic equilibrium and 'mostly round' 3- have not cleared debris around its orbit 4- are not satellites






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






49. The location in the Milky Way where stars orbit like a solid wheel






50. After stars form they pump light energy into surrounding gas causing it to heat up and glow (H2=ionized hydrogen - H1= neutral hydrogen in molcular couds)