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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. Has the same number of protons and neutrons






2. Cellular division to create sex cells called haploids.






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






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






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






6. 1. producer 2. primary consumer 3. secondary consumer 4. tertiary consumer 5. decomposer






7. The quantity of substance






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






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






10. Angiosperms






11. Plants response to gravity






12. Duplicates genetic material






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






14. Stores food and other materials needed by the cell






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






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






17. Both members of a symbiotic relationship benefit






18. Occurs when chemical composition of a substance is altered.






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






20. Phase where spindle grows and which cuts the cell






21. Stored energy






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






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






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






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






26. For every action there is an equal and opposite reaction.






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






28. Is a substance composed of two or more elements






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






30. 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.






31. Force = Mass X Acceleration






32. Is a change in velocity






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






34. One member benefits - the other is unaffected.






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






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






37. As temperature increases volume also increases

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






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






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






41. The Moon is between the Earth and the Sun.






42. Protects and supports the cell






43. Calories






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






45. Column






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






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






48. 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.






49. Deoxyribonucleic acid






50. A change in position