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






2. 1. homeostasis 2. organization 3. metabolism 4. growth 5. adaptation 6. response to stimuli 7. reproduction






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






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






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






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






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






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






9. 1. convergent 2. divergent 3. transform






10. Deoxyribonucleic acid






11. An ion






12. H2O + CO2 --> CH2O + O2






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






14. Energy in motion






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






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

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17. Is a substance composed of two or more elements






18. 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.






19. Cellular division to create sex cells called haploids.






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






21. 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.






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






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






24. Describes speed and direction






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






26. Angiosperms






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






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






29. 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.






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






31. Pulls apart into two separate cells






32. Duplicates genetic material






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






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






35. A change in position






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






37. Force = Mass X Acceleration






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






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






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






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






42. Phase where spindle grows and which cuts the cell






43. 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.






44. Is a change in velocity






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






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






47. Control center of the cell






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






49. Stored energy






50. Calories