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7 Written questions

6 Multiple choice questions

  1. an idea, a system, or a mathematical expression that represents the idea being explained
  2. all of Earth's organisms and the environments in which they live
  3. the part of Earth from its surface to its center
  4. factor in an experiment that can change if the independent variable is changed
  5. a testable explanation of a situation
  6. study of objects beyond Earth's atmosphere

6 True/False questions

  1. scientific notationan explanation based on many observations during repeated experiments; valid only if consistent with observations, can be used to make testable predictions, and is the simplest explanation; can be changed or modified with the discovery of new data

          

  2. atmospherethe part of Earth from its surface to its center

          

  3. independent variablefactor that is manipulated by the experimenter in an experiment

          

  4. scientific methodsan idea, a system, or a mathematical expression that represents the idea being explained

          

  5. geologystudy of materials that make up Earth and the processes that form and change these materials, and the history of the planet and its life-forms since its origin

          

  6. controlstandard for comparison in an experiment