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






2. Hydrogen and helium (mainly)






3. The distance light travels in one year (=9.46x10^12km).






4. A star that blows itself apart






5. A term referring to Earth-like planets






6. Flattened spherical distribution of old stars with some young stars too. 'hub' of Milky way - stars orbit with solid body speeds. Elongated into bar shape






7. Venus (retrograde)






8. Sc galaxies where star formation and destruction is so rapid that supernova explosions are mainly responsible for compressing gas to create new stars.






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






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






11. Jupiter - Saturn - Uranus - Neptune






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






13. Jupiter






14. The lens that gathers the light in a refractor






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






16. 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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17. The light produced when particles from the sun collide with atmospheric molecules






18. Highlands: rocks are made of lighter anorthosite (similar to old earth rocks) Maria: rocks made of heavy mare basalt (volcanic rock) everywhere else is loose regolith created by meteoric impact.






19. The law that describes the blackbody curve - and let to quantum mechanics.

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






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






22. IO






23. The oldest grouping of stars - found in the galaxy halo






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






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






26. The opaque universe that existed for 300000 years after the Big Bang. (photons outnumbered nuclei by 1 billion to one - so less light)






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






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






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






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






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






32. A star without enough mass to begin hydrogen fusion






33. The oldest terrain on the moon






34. 10^2 nm 10^7 nm






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






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






37. Extends to a distance of 50000AU. Same objects as in the Kuiper belt-when they fall in toward the sun they become comets. Debris from comets hitting the Earths atmosphere cause meteor showers.






38. 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






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






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






41. The family of radiant energy that includes light as a subset






42. A location on an H-are Diagram where evolving stars pulsate






43. The layer of the sun just above the photosphere






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






45. 1μm 100 nm






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






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






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






49. The average distance between the Earth and the Sun (=1.5 x10^8km)






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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