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5 Written questions

5 Matching questions

  1. adhesion
  2. solvent
  3. valence electron
  4. ion
  5. elemental symbol
  1. a outermost electron on an atom
  2. b charged atom
  3. c substance (usually water) that dissolves a solute
  4. d 1 or 2 letter(s) (1st capital, 2nd lowercase) used to represent the element (ex: C=carbon)
  5. e attraction between molecules of different substances

5 Multiple choice questions

  1. basic unit of matter - made of 3 subatomic particles
  2. 1. made of cells
    2. have universal genetic code (DNA/RNA)
    3. maintain stable internal environment (homeostasis)
    4. change over time as a species (evolve)
    5. reproduce as a species (sexual & asexual reproduction)
    6. respond to environment (stimulus)
    7. obtain & use materials and energy (metabolism)
    8. grow & develop
  3. how species change over time
  4. process by which a single parent reproduces by itself
  5. the attractive force between two ions of opposite charge

5 True/False questions

  1. cohesionattraction between molecules of different substances


  2. sexual reproductionprocess by which a single parent reproduces by itself


  3. covalent bondthe force that holds two atoms together


  4. compoundcharged atom


  5. solutionhow species change over time


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