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






2. The point around which a lever rotates






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






4. Converts energy from food to energy the cell can use






5. Both members of a symbiotic relationship benefit






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






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






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






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

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






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






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






13. One member benefits - the other is unaffected.






14. Anything that has mass and takes up space






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






16. 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.






17. 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.






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






19. Cell begins to split






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






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






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






23. Plants response to gravity






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






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






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






27. 1. by row 2. atomic number and mass increase as you move left to right and top to bottom






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






29. Cellular division to create sex cells called haploids.






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






31. 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.






32. An ion






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






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






35. Grain like organelles that produce proteins






36. Spiral disk with several long arms.






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






38. Is a change in velocity






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






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






41. 1. solid 2. liquid 3. gas






42. Stored energy






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






44. Is a system in which small particles are kept dispersed by agitation or molecular motion in the surrounding medium - example: muddy freshwater






45. An atom with an imbalanced charge






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






47. Is a homogeneous mixture in which one substance has dissolved into the other - example: salt water






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






49. Are huge clusters of billions of stars






50. Stamen