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






2. Protects and supports the cell






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. By wind which stirs the ocean's surface of great distances.






5. One member of a symbiotic relationship benefit.






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






7. Grain like organelles that produce proteins






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






9. Both members of a symbiotic relationship benefit






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






11. An atom with an imbalanced charge






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






13. 1. mutualism 2. parasitism 3. commensalism






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






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






16. Spiral disk with several long arms.






17. 1. the more massive either or both bodies are - the greater the gravitational force between them. 2. the further apart two bodies are - the lesser the gravitational force between them.






18. Cellular division to create sex cells called haploids.






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






20. Duplicates genetic material






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






22. Column






23. Describes speed and direction






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






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






26. H2O + CO2 --> CH2O + O2






27. Calories






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






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






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






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






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

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






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






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






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






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






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






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






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






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






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






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






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






45. A group of subjects upon which a hypothesis is tested.






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






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






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






49. A fairly typical main sequence star.






50. Force = Mass X Acceleration