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






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






3. Deoxyribonucleic acid






4. A fairly typical main sequence star.






5. 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.






6. Stores food and other materials needed by the cell






7. Stamen






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






9. This is the motion of objects emitting or reflecting sound waves changing their frequency.






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






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






12. One member benefits - the other is unaffected.






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






14. Angiosperms






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






16. 1. convergent 2. divergent 3. transform






17. Describes speed and direction






18. The Moon and the Sun are on opposite sides of the Earth.






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






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






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






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






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






24. As pressure increases volume decreases

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






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






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






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






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






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






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






32. Is a substance composed of two or more elements






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






34. 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.






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






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






37. A change in position






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






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






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






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






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






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






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






45. 1. Law of Inertia 2. Law of Acceleration 3. Law of Reciprocal Actions

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






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






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






49. An ion






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