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






2. 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.






3. 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.






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






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






6. 1. solid 2. liquid 3. gas






7. Both members of a symbiotic relationship benefit






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






9. Cell begins to split






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






11. Energy in motion






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






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






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






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






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






17. Is a change in velocity






18. Column






19. Require a medium and travel much slower than light.






20. Is a substance composed of two or more elements






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






22. A fairly typical main sequence star.






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






24. Stored energy






25. Pulls apart into two separate cells






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






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






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






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






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






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






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






33. Protects and supports the cell






34. 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.






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






36. An ion






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






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






39. Stores food and other materials needed by the cell






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






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






42. The capacity to work






43. H2O + CO2 --> CH2O + O2






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






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






46. Phase where spindle grows and which cuts the cell






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






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






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






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