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CSET Subject 2: Science

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. Occurs when chemical composition of a substance is altered.






2. Are caused by the gravitational pull of the Moon and the Sun on the Earth.






3. Refers to the vast periods of time over which the Earth changes.






4. A bond in which on atom loses an electron to form a positive ion and the other gains an electron to form a negative ion - creating an electrostatic force which holds them together.






5. 1. hair 2. warm - blooded 3. live birth 4. nurses their young






6. Column






7. Is a change from one state to another without a change in chemical composition.






8. Is a system in which small particles are kept dispersed by agitation or molecular motion in the surrounding medium - example: muddy freshwater






9. Force = Mass X Acceleration






10. Caused by the Earth's tilt on its axis. As it revolves arond the Sun - the tilt causes each hemisphere to receive more direct exposure at certain times in its orbit.






11. Occurs when heat is transferred due to fast moving atoms and molecules colliding with slower ones in a neighboring region.






12. Are huge clusters of billions of stars






13. 1. homeostasis 2. organization 3. metabolism 4. growth 5. adaptation 6. response to stimuli 7. reproduction






14. Radioactively decay back into their 'normal' forms over time






15. Plants response to light






16. 1. positive charge 2. located in nucleus 3. mass is 1 AMU






17. 1. State the problem. 2. Form a hypothesis. 3. Observe and experiment. 4. Interpret the data. 5. Draw conclusions.






18. A group of subjects upon which a hypothesis is tested.






19. C14 dating only works on organisms that died less than _____ years ago.






20. Protects and supports the cell






21. Are a progressive disturbance propagated from point to point (with regularity between points)






22. Energy in motion






23. Converts energy from food to energy the cell can use






24. 1. Law of Inertia 2. Law of Acceleration 3. Law of Reciprocal Actions

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25. One member of a symbiotic relationship benefit.






26. Cellular division creating diploid cells which are typically capable of beginning the process again.






27. Occurs when light is bent while passing from one medium into another.






28. Forms the key building block at an atomic level.






29. 1. igneous 2. metamorphic 3. sedimentary






30. Are affected by the angle from which we view the moon.






31. Stores food and other materials needed by the cell






32. The number of protons a particular type of atom has. The atomic number defines the type of element.






33. As temperature increases volume also increases

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34. A group which resembles the experimental group in all other ways - but on which the hypothesis is not tested. In some clinical trials the control group is given a placebo.






35. The capacity to work






36. A change in position






37. The quantity of substance






38. Asserts that organisms have changed over time to adapt to the unique and varied demands of their changing environments.

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39. That space and time are relative - not absolute concepts






40. Grain like organelles that produce proteins






41. Causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity.






42. 1. convergent 2. divergent 3. transform






43. Unless an object is moving in a vacuum - the object causes...






44. 1. egg 2. larvae 3. pupae/crysalis 4. imago/adult butterfly






45. Describes speed and direction






46. Pulls apart into two separate cells






47. 1. the more massive either or both bodies are - the greater the gravitational force between them. 2. the further apart two bodies are - the lesser the gravitational force between them.






48. Occurs when light returns after bouncing off an object.






49. Deoxyribonucleic acid






50. Because carbon bonds readily with a variety of different elements and compounds - making possible the great chemical complexity necessary for life.







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