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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. Nucleus: a very small region near the center of an atom. It contains protons and neutrons - Electrons: negatively charged particles surrounding the nucleus






2. A configuration of stars as seen from the earth






3. The apparednt change of pitch due to differing motions of the souding source and a listener.






4. Any compound of carbon and another element or a radical






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






6. Protons - Neutrons - Electrons






7. Unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure






8. A form of matter that flows - has constant volume - and takes the shape of its container but cannot be compressed.






9. A chemical reaction in which a compound is broken down into simpler compounds or elements.






10. Energy may be changed from one formto antoher but it cannot be created or destroyed






11. Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singlely or in combination constitute all matter






12. One thousand grams






13. A metric unit of weight equal to one thousandth of a kilogram






14. Organic molecules that are composed of only carbon and hydrogen






15. The simplest structural unit of an element or compound Composed of several bonded atoms.






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






17. The attraction between molecules that results in the rise of a liquid in small tubes






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






19. Law of Gravity. Inertia - Force - and Reaction


20. The time required for one half of the atoms of a radioisotope to emit radiation an decay products






21. The periodic rise and fall of the sea level under the gravitational pull of the moon






22. A condition where accelerating forces precisely offset one another.






23. A starlike object that may send out radio waves and other forms of energy






24. The largest heavenly bodies that orbit the sun






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






26. The product of Mass and velocity; the conservation of momentum is a fundamental law of nature.






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






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






29. The product of force and distance; it measures the action performed on an object.






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






31. (physics) electromagnetic radiation that can produce a visual sensation






32. The temperature below which a liquid turns into a solid






33. All objects in the universe attract each other through gravitational force. Size of force depends on mass and distance






34. Nuclear reaction - small element atom fuses to form element with large atoms releasing large amounts of energy - elements coming together to make bigger atoms






35. The number of protons establishes this....






36. The process of producing a chemical compound usually by the union of simpler chemical compounds.






37. Exists where the number of negative electrons does not precisely equal the number of positeve protons.






38. The study of the structure and behavior of the atom and of subatomic particles from the view that all energy comes in tiny - indivisible bundles






39. A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy






40. The name of our galaxy - a spiral galaxy that contains about 400 billion stars






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






42. Mass per unit volume






43. A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances - CO2






44. The science of matter and energy and their interactions.






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






46. German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947)






47. A concentration of Stars






48. A tight group of stars that looks like a ball and contains up to 1 million stars






49. The beginning of scientific wisdom. Can it be measured?






50. The intermingling of molecules in gases and liquids as a result of random thermal agitation