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


2. 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






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






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






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






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






7. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected






8. One thousand grams






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






10. The lowest temperature theoretically attainable at which the kinetic energy of atoms and molecules is minimal 0 Kelvin or -273.15 Centigrade or -459.67 Fahrenheit






11. An immense cloud of gas (mainly hydrogen) and dust in interstellar space






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






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






14. The basic unit of length adopted under the Systeme International d'Unites approximately 1.094 yards long






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






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






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






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






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






20. Compounds that form hydrogen ions when dissolved in water






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. Nuetral charge and equal number of protons and electrons






23. 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






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






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






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






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






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






29. Protons - Neutrons - Electrons






30. (physics) a rate of change of velocity






31. Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune






32. Measurement






33. Law stating that strongly charged objects attract or repel other strongly charged objects - while weak objects have a weak effect upon other weak forces






34. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere






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






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






37. A physical property that describes matter as a solid - liquid - or gas






38. The branch of physics that studies celestial bodies and the universe as a whole






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






40. The process of purifying a liquid by boiling it and condensing its vapors






41. Mass per unit volume of a substance.






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






43. The forces that hold molecules together. Can be covalent - ionic - hydrogen - etc.






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






45. A property of some materials in which there is a force of repulsion or attraction between certain like and unlike poles.






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






47. A unit of measure of electrical potential;






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






49. There are 91






50. 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.