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






2. The point around which a lever rotates






3. 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.






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






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






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






7. Energy in motion






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






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






10. Illustrates the relationship between absolute magnitude - luminosity - classification and effective temperature of stars.






11. 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.






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






13. Are huge clusters of billions of stars






14. 1. negative charge 2. located in the nucleus 3. mass is about 1/1836th of an AMU






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






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






17. An atom that has a different number of neutrons than its normal amount.






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






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






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






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






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






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






24. An atom with an imbalanced charge






25. One member benefits - the other is unaffected.






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






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






28. 1. hair 2. warm - blooded 3. live birth 4. nurses their young






29. Column






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






31. An ion






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






33. The capacity to work






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






35. The quantity of substance






36. Radioactively decay back into their 'normal' forms over time






37. Cell begins to split






38. Plants response to light






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






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. Anything that has mass and takes up space






42. One member of a symbiotic relationship benefit.






43. Describes speed and direction






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






45. Has the same number of protons and neutrons






46. Protects and supports the cell






47. Stores food and other materials needed by the cell






48. 1. evaporation 2. condensation 3. precipitation 4. infiltration 5. runoff






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






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