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






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






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






4. Phase where spindle grows and which cuts the cell






5. Is a change in velocity






6. Begin as huge clouds of dust and other particles called nebulas.






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






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






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






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

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11. Is a method of separating ions within a substance by passing electrical current through the substance






12. Is something that starts a chemical reaction - such as a spark.






13. 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.






14. H2O + CO2 --> CH2O + O2






15. Describes speed and direction






16. 1. prophase 2. metaphase 3. anaphase 4. telophase






17. A fairly typical main sequence star.






18. Has a pair of chromosomes






19. Energy changes forms but is not created or destroyed.






20. It spreads the work over a greater distance along the planes of the wedge.






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






22. Energy in motion






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






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






25. As temperature increases volume also increases

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26. Plants response to light






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






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






29. Stores food and other materials needed by the cell






30. As pressure increases volume decreases

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31. 1. temperature (think movement) 2. pressure






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






33. Has the same number of protons and neutrons






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






35. One member benefits - the other is unaffected.






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






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






38. 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.






39. 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.






40. 1. convergent 2. divergent 3. transform






41. Calories






42. When the Moon and the Sun are in alignment we get more extreme tides.






43. The time required by half the atoms of a particular substance to disintegrate






44. Force = Mass X Acceleration






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






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






47. Are huge clusters of billions of stars






48. Protects and supports the cell






49. 1. solid 2. liquid 3. gas






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