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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. Protects and supports the cell






2. Grain like organelles that produce proteins






3. 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.






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






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






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






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






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






9. The capacity to work






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






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






12. 1. kingdom 2. phylum 3. class 4. order 5. family 6. genus 7. species






13. A material that can be separated by physical means into two or more substances.






14. Energy in motion






15. 1. egg 2. tadpole (breathes water) 3. metamorphosis 4. adult frog (breathes air)






16. Can occur by chemical means such as acid rain or physical means - such as wind - rain and ice.






17. Plants response to gravity






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






19. One member benefits - the other is unaffected.






20. Caused by the Earth's tilt on its axis. As it revolves arond the Sun - the tilt causes each hemisphere to receive more direct exposure at certain times in its orbit.






21. As temperature increases volume also increases

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






23. Stored energy






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






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






26. Plants response to light






27. Has the same number of protons and neutrons






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






29. Deoxyribonucleic acid






30. Column






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






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






33. An ion






34. 1. igneous 2. metamorphic 3. sedimentary






35. Control center of the cell






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

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






38. Force = Mass X Acceleration






39. A fairly typical main sequence star.






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






41. Are affected by the angle from which we view the moon.






42. Are a progressive disturbance propagated from point to point (with regularity between points)






43. H2O + CO2 --> CH2O + O2






44. 1. convergent 2. divergent 3. transform






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






46. 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.






47. Pulls apart into two separate cells






48. 1. mutualism 2. parasitism 3. commensalism






49. The quantity of substance






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






Can you answer 50 questions in 15 minutes?



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