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






2. 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.






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






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






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






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






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






8. The capacity to work






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






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






11. One member of a symbiotic relationship benefit.






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






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






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






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






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






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






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






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






20. The point around which a lever rotates






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






22. Is a change in velocity






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






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






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






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






27. Anything that has mass and takes up space






28. Column






29. Calories






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






31. Has the same number of protons and neutrons






32. The quantity of substance






33. 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.






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






35. Angiosperms






36. Is a substance composed of two or more elements






37. 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.






38. Protects and supports the cell






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






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






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






42. Are huge clusters of billions of stars






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






44. 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.






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






46. 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.






47. Has a pair of chromosomes






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






49. 1. solid 2. liquid 3. gas






50. A fairly typical main sequence star.






Can you answer 50 questions in 15 minutes?



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