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






2. Both members of a symbiotic relationship benefit






3. 1. convergent 2. divergent 3. transform






4. An atom with an imbalanced charge






5. Is a change in velocity






6. Phase where spindle grows and which cuts the cell






7. One member benefits - the other is unaffected.






8. Grain like organelles that produce proteins






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






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






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






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






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






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

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






16. Angiosperms






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






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






19. 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.






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






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






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






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






24. 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.






25. An ion






26. The quantity of substance






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






28. 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.






29. Cell begins to split






30. Deoxyribonucleic acid






31. 1. solid 2. liquid 3. gas






32. Plants response to gravity






33. Plants response to light






34. Begin as huge clouds of dust and other particles called nebulas.






35. Describes speed and direction






36. Occurs when light returns after bouncing off an object.






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






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






39. Occur because the shadow of the Earth or the Moon is cast onto the other body.






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






41. Energy in motion






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






43. As a nebula contracts - the particles collide with colossal force igniting a nuclear reaction and forming a protostar.






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






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






46. Protects and supports the cell






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

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48. Is a substance composed of two or more elements






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






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