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






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






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






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






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






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






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






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






9. Is a change in velocity






10. Force = Mass X Acceleration






11. One member of a symbiotic relationship benefit.






12. Phase where spindle grows and which cuts the cell






13. Is the measure of the presence of hydrogen ions in a substance.






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






15. 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.






16. Duplicates genetic material






17. 1. mutualism 2. parasitism 3. commensalism






18. As temperature increases volume also increases

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






20. Has a pair of chromosomes






21. Cell begins to split






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






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






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






25. 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.






26. As a nebula contracts - the particles collide with colossal force igniting a nuclear reaction and forming a protostar.






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






28. Is the smallest unit of an element that still has the properties of that element.






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






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






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






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






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






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






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






36. The quantity of substance






37. 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.






38. Plants response to gravity






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






40. Occurs when heat is transmitted in the form of electromagnetic waves.






41. Describes speed and direction






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






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






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






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






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






47. 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.






48. Stamen






49. Column






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