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






2. As temperature increases volume also increases

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






4. An atom with an imbalanced charge






5. Protects and supports the cell






6. The point around which a lever rotates






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






8. Anything that has mass and takes up space






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






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






11. Thin - flexible barrier around a cell; regulates what enters and leaves the cell






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






13. Unless an object is moving in a vacuum - the object causes...






14. Both members of a symbiotic relationship benefit






15. Energy changes forms but is not created or destroyed.






16. Is a substance composed of two or more elements






17. H2O + CO2 --> CH2O + O2






18. Deoxyribonucleic acid






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






20. 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.






21. Plants response to light






22. An ion






23. 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.






24. Describes speed and direction






25. Asserts that organisms have changed over time to adapt to the unique and varied demands of their changing environments.

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






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






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






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






30. Pulls apart into two separate cells






31. Occurs when heat is transferred due to fast moving atoms and molecules colliding with slower ones in a neighboring region.






32. Energy in motion






33. 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.






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






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






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






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






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






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






40. A fairly typical main sequence star.






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






42. Stamen






43. Stored energy






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






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






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






47. Is the particular wavelength of light we observe that is not absorbed by an object.






48. Duplicates genetic material






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






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







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Can you answer 50 questions in 15 minutes?


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