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7 Written questions

6 Multiple choice questions

  1. standard for comparison in an experiment
  2. study of Earth's oceans including the creatures that inhabit its waters, its physical and chemical properties, and the effects of human activities
  3. replacement for the metric system; based on a decimal system using the number 10 as the base unit; includes the meter: (m), second: (s), and kilogram: (kg)
  4. blanket of gases surrounding Earth that contains about 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases such as argon, carbon dioxide, and water vapor
  5. a series of problem-solving procedures that help scientists conduct experiments
  6. the part of Earth from its surface to its center

6 True/False questions

  1. scientific lawan idea, a system, or a mathematical expression that represents the idea being explained

          

  2. 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

          

  3. scientific notationa method used by scientists to express a number as a value between 1 and 10 multiplied by a power of 10

          

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

          

  5. dependent variablefactor in an experiment that can change if the independent variable is changed

          

  6. meteorologythe study of the atmosphere, which is the air surrounding Earth

          

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