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5 Written questions

5 Matching questions

  1. Gene
  2. Metabolism
  3. Homeostasis
  4. Cells
  5. Theory
  1. a maintenance of constant internal conditions in an organism
  2. b segment of DNA that stored genetic information
  3. c all the chemical processes which build up or break down materials
  4. d basic unit of life
  5. e proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence

5 Multiple choice questions

  1. a chemical reaction that releases more energy than it absorbs
  2. any individual living thing
  3. the amount of energy that needs to be absorbed for a chemical reaction to start
  4. scientific study of all forms of life
  5. a catalyst for a chemical reaction, lower the activation energy

5 True/False questions

  1. Covalent bonda bond that forms through the electrical force between oppositely charged ions


  2. Endothermica chemical reaction that absorbs more energy than it releases


  3. Evolutionthe change in living things over time


  4. Bond energy: the amount of energy that will break a bond between two atoms


  5. Ionic bonda bond that forms when atoms chare a pair of electrons


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