NAME: ________________________

Unit 1 Test

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5 Written Questions

5 Matching Questions

  1. Independent variable
  2. Theory
  3. Metabolism
  4. Bond energy
  5. Endothermic
  1. a a chemical reaction that absorbs more energy than it releases
  2. b : the amount of energy that will break a bond between two atoms
  3. c a condition that is manipulated or changed by a scientist
  4. d all the chemical processes which build up or break down materials
  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 particular type of living thing that can reproduce by interbreeding among themselves
  2. scientific study of all forms of life
  3. experimental data collected through observation and measurement
  4. proposed answer for a scientific question, specific and testable
  5. maintenance of constant internal conditions in an organism

5 True/False Questions

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

          

  2. Evolutionthe change in living things over time

          

  3. Covalent bonda bond that forms when atoms chare a pair of electrons

          

  4. Organismall the chemical processes which build up or break down materials

          

  5. Exothermica chemical reaction that releases more energy than it absorbs

          

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