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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. Converts energy from food to energy the cell can use






2. 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.






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






4. 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.






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






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






7. Phase where spindle grows and which cuts the cell






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






9. Grain like organelles that produce proteins






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






11. As pressure increases volume decreases

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12. Deoxyribonucleic acid






13. Has the same number of protons and neutrons






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






15. The point around which a lever rotates






16. Angiosperms






17. Has a pair of chromosomes






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






19. A fairly typical main sequence star.






20. One member benefits - the other is unaffected.






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






22. Forms the key building block at an atomic level.






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






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






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






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






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






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






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






30. Energy in motion






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






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






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






34. Both members of a symbiotic relationship benefit






35. 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.






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






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






38. 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.






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






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






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






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






43. Cellular division to create sex cells called haploids.






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






45. Stores food and other materials needed by the cell






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






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






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






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






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