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CSET Subtest II: Science -Chemistry - Physics - Astronomy

Subjects : cset, 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 intermingling of molecules in gases and liquids as a result of random thermal agitation






2. A metric unit of length equal to one thousandth of a meter






3. A chemical change in which a substance combines with oxygen - as when iron oxidizes - forming rust.






4. The law that states that for a fixed amount of gas at a constant temperature - the volume of the gas increases as the pressure of the gas decreases and the volume of the gas decreases as the pressure of the gas increases






5. A combination; a mixture of two or more metals






6. Compounds that reduce the concentration of hydrogen ions in a solution






7. The visable specturem is the band of colors fromthe dispersal of white light.






8. Any celestial body visible (as a point of light) from the Earth at night






9. The smallest component of an element having the chemical properties of the element






10. The progression of changes in the moon's appearance during the month - New Moon - Waxing Crescent - First Quarter - Waxing Gibbous - Full Moon - Waning Gibbous - Third Quarter - Waning Crescent






11. Law stating that objects at rest remain at rest and objects in motion continue in a straight line unless acted upon by a net external force.






12. A liquid substance capable of dissolving other substances






13. Of or relating to a molecule made up of two atoms






14. A chemical process in which a compound is broken down and changed into other compounds by taking up the elements of water.






15. Earth's axis tilted - causes sunlight to hit at different angles - 21 March - 21 June - 21 September - 21 December


16. An atom that has the same number of protons (or the same atomic number) as other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass) Stable or Radioactive






17. Due to a body's position.






18. The mechanical energy that a body has by virtue of its motion






19. The upward force on an object immersed in a fluid.






20. Describe by stating an ogjects position - velocity and acceleration.






21. A value that indicated the acidity or alkalinity of a solution on a scale of 0-14 - based on the proportion of H+ ions. - p - otential of H- ydrogen






22. English chemist and physicist who formulated atomic theory and the law of partial pressures






23. How bright a star will be in relation to the sun if all star were the same distance from the observer






24. An paper indicator that is red in an acid and blue in a alkaline base






25. Tending to move away from a center toward the perimeter






26. A measure of the intensity of heat in degrees - reflecting the average kinetic energy of the molecules.






27. 237000 miles






28. The state of matter distinguished from the solid and liquid states by: relatively low density and viscosity and expand to fill any space.






29. The principal that the laws of physics are the same for any tow observers - whatever their relative motion.






30. A charged atom or group of atoms formed by the gain or loss of electrons.






31. Occurs whent the fission on one atom causes the fission of other atoms






32. Being the most concentrated solution possible at a given temperature






33. Substances that cannot be split into simpler substances by ordinary chemical means.






34. Like the sun - these are composed of large masses of hydrogen pulled together by gravity. - form out of interstellar gas clouds - large cold could of H2 molecules and dust collapses and fragments Very far away






35. A unit of measurement of electrical power - the rate at which electrical energy is dissipated.






36. The transmission of heat or electricity or sound






37. Mass per unit volume






38. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)






39. A huge ball of incandescent gases. - our closest star - has a life - span of 10 billion years






40. ... - Proposed by the Jewish physicist Albert Einstein (1879-1955) in the early part of the 20th century - is one of the most significant scientific advances of all time. Although the concept of relativity was not introduced by Einstein - his major c






41. Measurement






42. One thousand grams






43. Travels around the earth each month.






44. States that mass is neither created nor destroyed during ordinary chemical reactions or physical changes.






45. (physics) the force of attraction between all masses in the universe






46. The frequency of a sound wave






47. A concentration of Stars






48. Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)






49. Alexandrian astronomer who proposed a geocentric - earth centered system of astronomy that was undisputed until Copernicus (2nd century AD)






50. The bending of a light wave at the coundary between two substances.