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5 Written questions

5 Matching questions

  1. Coriolis Effect
  2. Black Hole
  3. Double Helix
  4. Neuron
  5. Ester
  1. a formed by reaction between an acid and an alcohol with elimination of water
  2. b
    an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation
  3. c
    normal structural configuration of DNA with two helices winding around the same axis
  4. d
    a region of space resulting from the collapse of a star
  5. e
    a cell that is specialized to conduct nerve impulses

5 Multiple choice questions

  1. any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
  2. from 544 million to about 230 million years ago

  3. a collection of star systems
  4. one complete oscillation of a wave

  5. a chemical bond that involves sharing a pair of electrons between atoms in a molecule

5 True/False questions

  1. Conductor
    a device designed to transmit electricity, heat, etc.

          

  2. Hydrocarbona chemical reaction in which water reacts with a compound to produce other compounds

          

  3. Radioactivethe change in direction of a propagating wave (light or sound) when passing from one medium to another

          

  4. New Moon
    a cell that is specialized to conduct nerve impulses

          

  5. Titration
    process in which a solution of known concentration is used to determine the concentration of another solution