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5 Written questions

5 Matching questions

  1. Matter
  2. Organic molecule
  3. Phase
  4. Element
  5. Diffusion
  1. a One of three forms - solid, liquid, or gas - which every substance is capable of attaining.
  2. b The random motion of molecules from an area of high concentration to an area of low concentration.
  3. c A collection of atoms that all have the same number of protons.
  4. d Anything that has mass and takes up space.
  5. e A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous.

5 Multiple choice questions

  1. A lipid made from fatty acids that have at least one double bond between carbon atoms.
  2. Lacking any affinity to water.
  3. Two different molecules that have the same chemical formula.
  4. A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.
  5. Breaking down complex molecules by the chemical addition of water.

5 True/False questions

  1. DisaccharidesSimple carbohydrates that contain 3 to 10 carbon atoms.


  2. MoleculesChemicals that result from atoms linking together.


  3. ModelAn explanation or representation of something that cannot be seen.


  4. Semipermeable membraneA membrane that allows some molecules to pass through but does not allow other molecules to pass through.


  5. Peptide bondA bond that links amino acids together in a protein.