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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. The point around which a lever rotates






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






3. Spiral disk with several long arms.






4. Angiosperms






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






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






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






8. Pulls apart into two separate cells






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






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






11. Protects and supports the cell






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






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






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






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






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






17. One member of a symbiotic relationship benefit.






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






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






20. 1. convergent 2. divergent 3. transform






21. A change in position






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






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






24. 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.






25. Anything that has mass and takes up space






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






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






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






29. 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.






30. 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.






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






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






33. Is a substance that cannot be separated into simpler substances by chemical means






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






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






37. Plants response to light






38. Is a system in which small particles are kept dispersed by agitation or molecular motion in the surrounding medium - example: muddy freshwater






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






40. By wind which stirs the ocean's surface of great distances.






41. As temperature increases volume also increases

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42. Deoxyribonucleic acid






43. Calories






44. Stamen






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






46. The quantity of substance






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

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






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






50. Is a substance composed of two or more elements