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






2. Compounds that form hydrogen ions when dissolved in water






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






4. Mass per unit volume of a substance.






5. Travels around the earth each month.






6. A metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints)






7. A triangular piece of glass used to disperse white light into a spectrum.






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






9. The science of the substances that make up our world.






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






11. 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






12. 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.






13. Conjectured that heavenly bodies were affixed to crystalline spheres concentric about the earth.






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






15. The total range of frequencies for electromagnetic waves - including radio and light waves.






16. (chemistry) a substance consisting of two or more substances mixed together not in fixed proportions and not with chemical bonding






17. (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight






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






19. Nuetral charge and equal number of protons and electrons






20. A particle of light energy






21. 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






22. The energy released by a fission or fusion reaction; the binding energy of the atomic nucleus






23. A process in which one or more substances are changed into others






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






25. The process of decomposing a chemical compound by the passage of an electric current.






26. An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator






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






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






29. Protons - Neutrons - Electrons






30. A proposed scientific explanation for a set of observations






31. The most familiar of all liquids.






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






33. The elements of Group 1 of the periodic table - lithium - sodium - potassium - rubidium - cesium - and francium.






34. Substances formed by the joining of elements through chemical bonding. every molecule of a compound is the same.






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






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






37. Occurs when the Moon happens to lie exactly between the Earth and the Sun - or when the Earth lies exactly between the Sun and the Moon so that all three bodies lie on a straight line.






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






39. The distance that light travels in a vacuum in 1 year






40. A small particle in the nucleus of an atom - with no electrical charge






41. 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






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






43. The total kinetic and potential energy of all the particles in a substance.






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






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






46. (physics) the capacity of a physical system to do work






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






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






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


50. For every action there is an equal and opposite reaction