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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. Is an object's rate of motion = Distance/Time






2. One member benefits - the other is unaffected.






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






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






5. Force = Mass X Acceleration






6. Can occur by chemical means such as acid rain or physical means - such as wind - rain and ice.






7. Material inside the cell membrane -- not including the nucleus






8. 1. convergent 2. divergent 3. transform






9. Deoxyribonucleic acid






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






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






12. 1. puzzle piece argument 2. sea floor spreading 3. fossil records






13. A bond formed when atoms share one or more of their valence electrons.






14. 1. solid 2. liquid 3. gas






15. 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.






16. States that all of the Earth's continents at one time were joined as a single 'super - continent' called Pangaea. Over time - the continents drifted apart.






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






18. Is a substance that cannot be separated into simpler substances by chemical means






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






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






21. 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.






22. By wind which stirs the ocean's surface of great distances.






23. The capacity to work






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






25. Stores food and other materials needed by the cell






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






27. The amount of matter that makes up an atom. You can estimate an atom's atomic mass by adding up the total number of protons and neutrons.






28. As temperature increases volume also increases

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

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30. Stored energy






31. Both members of a symbiotic relationship benefit






32. H2O + CO2 --> CH2O + O2






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






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






35. Within compounds - the various atoms making up molecules are held together by...






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






37. 1. neutral charge 2. located in the nucleus 3. mass is 1 AMU






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






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






40. When the Moon or the Sun are pulling at perpendicular angles we get less extreme tides.






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






42. The point around which a lever rotates






43. Stamen






44. 1. egg 2. tadpole (breathes water) 3. metamorphosis 4. adult frog (breathes air)






45. 1. by row 2. atomic number and mass increase as you move left to right and top to bottom






46. Subatomic particles including: 1. protons 2. neutrons 3. electrons






47. A material that can be separated by physical means into two or more substances.






48. 1. gravity 2. magnetism 3. friction (think of a falling sheet of paper vs. a falling book)






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






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