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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. The quantity of substance






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






3. Stored energy






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






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

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6. Our solar system is made up of numerous bodies which orbit the Sun due to...






7. An ion






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






9. As pressure increases volume decreases

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10. Deoxyribonucleic acid






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






12. 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.






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






14. 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.






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






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






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






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






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






20. 1. mutualism 2. parasitism 3. commensalism






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






22. Plants response to light






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






24. Has the same number of protons and neutrons






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






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






27. Phase where spindle grows and which cuts the cell






28. Occurs when cooler portions of a liquid or gas flow in to take the place of hotter - rising portions.






29. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and convert it into chemical energy






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






31. 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.






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






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






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






35. Stores food and other materials needed by the cell






36. An atom that has a different number of neutrons than its normal amount.






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






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






39. Calories






40. Protects and supports the cell






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






42. Both members of a symbiotic relationship benefit






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






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






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






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






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






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






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






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