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






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






3. Is something that starts a chemical reaction - such as a spark.






4. A change in position






5. Stores food and other materials needed by the cell






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






7. Occurs when light returns after bouncing off an object.






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






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






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






11. 1. mutualism 2. parasitism 3. commensalism






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






13. Protects and supports the cell






14. As temperature increases volume also increases

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15. 1. solid 2. liquid 3. gas






16. Both members of a symbiotic relationship benefit






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






18. Refers to the vast periods of time over which the Earth changes.






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






20. 1. hair 2. warm - blooded 3. live birth 4. nurses their young






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






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






23. Cell begins to split






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






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






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






27. Cellular division to create sex cells called haploids.






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






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






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






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






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






33. Plants response to light






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






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






36. Are huge clusters of billions of stars






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






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

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39. Plants response to gravity






40. The quantity of substance






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






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






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






44. 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.






45. 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.






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






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






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






49. Angiosperms






50. One member of a symbiotic relationship benefit.