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5 Written questions

5 Matching questions

  1. Covalent bond
  2. Species
  3. Hypothesis
  4. Organism
  5. Exothermic
  1. a a chemical reaction that releases more energy than it absorbs
  2. b a bond that forms when atoms chare a pair of electrons
  3. c proposed answer for a scientific question, specific and testable
  4. d a particular type of living thing that can reproduce by interbreeding among themselves
  5. e any individual living thing

5 Multiple choice questions

  1. scientific study of all forms of life
  2. proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence
  3. a large molecule or macromolecule, made of many monomers bonded together
  4. the change in living things over time
  5. all the chemical processes which build up or break down materials

5 True/False questions

  1. Dependent variablea condition that is manipulated or changed by a scientist

          

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

          

  3. Genebasic unit of life

          

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

          

  5. Homeostasisproposed answer for a scientific question, specific and testable