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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. That matter cannot be created or destroyed; it simply changes form.






2. 1. mutualism 2. parasitism 3. commensalism






3. An ion






4. The quantity of substance






5. An isotope created in the earth's atmosphere by cosmic rays. All living things absorb carbon 14. When they die absorption stops and the organism's existing C14 begins to radioactively decay back to C12.






6. Thin - flexible barrier around a cell; regulates what enters and leaves the cell






7. Plants response to light






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






9. Has a pair of chromosomes






10. The measure of the kinetic energy in a substance's molecules. Simply - temperature is atomic motion.






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






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






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






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






15. Cellular division to create sex cells called haploids.






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






17. 1. inner core 2. outer core 3. mantle 4. crust






18. Is a change in velocity






19. Is the particular wavelength of light we observe that is not absorbed by an object.






20. Column






21. Protects and supports the cell






22. Causes beneficial traits to be propagated and detrimental traits to be eliminated.






23. Pulls apart into two separate cells






24. Illustrates the relationship between absolute magnitude - luminosity - classification and effective temperature of stars.






25. 1. incline plane2. wheel and axle 3. lever 4. pulley 5. wedge 6. screw






26. Occur because the shadow of the Earth or the Moon is cast onto the other body.






27. 1. negative charge 2. located in the nucleus 3. mass is about 1/1836th of an AMU






28. Is the process of storing energy through photosynthesis and later releasing it through respiration.






29. Duplicates genetic material






30. 1. solid 2. liquid 3. gas






31. The types of organisms an ecosystem can support is primarily determined by the amount of...






32. The Moon and the Sun are on opposite sides of the Earth.






33. An atom that has a different number of neutrons than its normal amount.






34. This is the motion of objects emitting or reflecting sound waves changing their frequency.






35. As temperature increases volume also increases

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36. 1. evaporation 2. condensation 3. precipitation 4. infiltration 5. runoff






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






38. 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.






39. Stores food and other materials needed by the cell






40. The point around which a lever rotates






41. An object in motion stays in motion along a straight path unless acted upon by a net external force.






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






43. Control center of the cell






44. Stamen






45. Require a medium and travel much slower than light.






46. Is a homogeneous mixture in which one substance has dissolved into the other - example: salt water






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






48. Matter and energy have the properties of both particles and waves






49. Both members of a symbiotic relationship benefit






50. Angiosperms