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






2. Pulls apart into two separate cells






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






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






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






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






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






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






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






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






13. 1. gravity 2. magnetism 3. friction (think of a falling sheet of paper vs. a falling book)






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






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






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






17. Protects and supports the cell






18. The quantity of substance






19. The number of protons a particular type of atom has. The atomic number defines the type of element.






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






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






22. Cell begins to split






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






24. Are huge clusters of billions of stars






25. Calories






26. One member of a symbiotic relationship benefit.






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






28. The point around which a lever rotates






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






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






31. A bond formed when atoms share one or more of their valence electrons.






32. Energy in motion






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






34. One member benefits - the other is unaffected.






35. Has the same number of protons and neutrons






36. Deoxyribonucleic acid






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






38. 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.






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






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

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






42. Anything that has mass and takes up space






43. 1. igneous 2. metamorphic 3. sedimentary






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






45. Phase where spindle grows and which cuts the cell






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






47. Control center of the cell






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






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






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