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






2. Centered on the sun.






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






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






5. Venus






6. A term referring to Jupiter-like planets






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






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






9. Venus






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

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11. 10 nm 10^2 nm






12. Population 1- similar to the sun and 2% of elements are metal - Population 2- formed before gas was metal- only a fraction of mass is metal.






13. The philosophical stand that says a simpler explanation is more likely to be correct than a complicated one.

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14. The linear correlation between the rate of the expansion of the universe and distance. Says that as galaxies get farther away in space - the speed with which they recede from us increases. So we can measure the amount of recessional velocity and use






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






16. Approximate speed of light in a vacuum






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






18. The trapping of heat by carbon dioxide or other gases in the Earth's atmosphere.






19. The normal eastward movement of a planet against the background of hte distant stars.






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






21. The slow wobble of the Earth on its rotation axis.






22. Orbit in Jupiters orbit






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






24. Very center of galaxy. suggestion of a black hole






25. Mercury






26. The mix of pure photon energy that emerged at the start of the universe.






27. A two-filter measure of the color - and hence temperature - of a star.






28. When the Sun is farthest south of the celestial equator (About December 22)






29. The dimming of starlight by intervening dust






30. A galaxy emitting large amounts of energy at long wavelengths.






31. VENUS






32. The larger bodies that formed early in teh solar nebula that were chemically differentiated






33. Centered on the Earth






34. A younger cluster of stars - found in the galaxy disk






35. Wave- only waves cause an interference pattern when passing through a double slit - particle- only particles deposit energy at specific locations (the way an image builds up on digital camera)






36. A star that blows itself apart






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






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






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






40. A younger cluster of stars - found in the galaxy disk






41. A star that blows itself apart






42. A spinning neutron star






43. Possible Fates of the Universe






44. Light-colored high-pressure bands in Jupiter's atmosphere






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






46. The point directly overhead.






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






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






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






50. The Big Bang was not an explosion of matter into empty space - like the explosion of a bomb. Instead - it was an emergence of space and time filled with pure energy where before none of this was present. The point from which is emerged is called the







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Can you answer 50 questions in 15 minutes?


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